20496475340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^3\times {\mathrm{47}}^1$

素因数の和:158

約数の個数: 288

約数和(自身を含む): 53771074560

約数和(自身を除く): 33274599220

約数列:

[1, 2, 4, 5, 10, 11, 17, 19, 20, 22, 34, 38, 44, 47, 55, 68, 76, 85, 94, 95, 110, 170, 187, 188, 190, 209, 220, 235, 289, 323, 340, 361, 374, 380, 418, 470, 517, 578, 646, 722, 748, 799, 836, 893, 935, 940, 1034, 1045, 1156, 1292, 1444, 1445, 1598, 1615, 1786, 1805, 1870, 2068, 2090, 2585, 2890, 3179, 3196, 3230, 3553, 3572, 3610, 3740, 3971, 3995, 4180, 4465, 5170, 5491, 5780, 6137, 6358, 6460, 6859, 7106, 7220, 7942, 7990, 8789, 8930, 9823, 10340, 10982, 12274, 12716, 13583, 13718, 14212, 15181, 15884, 15895, 15980, 16967, 17578, 17765, 17860, 19646, 19855, 21964, 24548, 27166, 27436, 27455, 30362, 30685, 31790, 33934, 34295, 35156, 35530, 39292, 39710, 43945, 49115, 54332, 54910, 60401, 60724, 61370, 63580, 67507, 67868, 67915, 68590, 71060, 75449, 75905, 79420, 84835, 87890, 98230, 104329, 109820, 116603, 120802, 122740, 135014, 135830, 137180, 149413, 150898, 151810, 166991, 169670, 175780, 186637, 196460, 208658, 233206, 241604, 258077, 270028, 271660, 288439, 298826, 301796, 302005, 303620, 322373, 333982, 337535, 339340, 373274, 377245, 417316, 466412, 516154, 521645, 576878, 583015, 597652, 604010, 644746, 667964, 675070, 746548, 747065, 754490, 834955, 933185, 1032308, 1043290, 1147619, 1153756, 1166030, 1208020, 1282633, 1289492, 1290385, 1350140, 1442195, 1494130, 1508980, 1611865, 1669910, 1866370, 1982251, 2086580, 2295238, 2332060, 2565266, 2580770, 2838847, 2884390, 2988260, 3172829, 3223730, 3339820, 3546103, 3732740, 3964502, 4590476, 4903463, 5130532, 5161540, 5480341, 5677694, 5738095, 5768780, 6345658, 6413165, 6447460, 7092206, 7929004, 9806926, 9911255, 10960682, 11355388, 11476190, 12691316, 12826330, 14184412, 14194235, 15864145, 17730515, 19613852, 19822510, 21804761, 21921364, 22952380, 24517315, 25652660, 27401705, 28388470, 31728290, 35461030, 39645020, 43609522, 49034630, 53938093, 54803410, 56776940, 60283751, 63456580, 70922060, 87219044, 93165797, 98069260, 107876186, 109023805, 109606820, 120567502, 186331594, 215752372, 218047610, 241135004, 269690465, 301418755, 372663188, 436095220, 465828985, 539380930, 602837510, 931657970, 1024823767, 1078761860, 1205675020, 1863315940, 2049647534, 4099295068, 5124118835, 10248237670, 20496475340]

約数ペア:

[(1, 20496475340), (2, 10248237670), (4, 5124118835), (5, 4099295068), (10, 2049647534), (11, 1863315940), (17, 1205675020), (19, 1078761860), (20, 1024823767), (22, 931657970), (34, 602837510), (38, 539380930), (44, 465828985), (47, 436095220), (55, 372663188), (68, 301418755), (76, 269690465), (85, 241135004), (94, 218047610), (95, 215752372), (110, 186331594), (170, 120567502), (187, 109606820), (188, 109023805), (190, 107876186), (209, 98069260), (220, 93165797), (235, 87219044), (289, 70922060), (323, 63456580), (340, 60283751), (361, 56776940), (374, 54803410), (380, 53938093), (418, 49034630), (470, 43609522), (517, 39645020), (578, 35461030), (646, 31728290), (722, 28388470), (748, 27401705), (799, 25652660), (836, 24517315), (893, 22952380), (935, 21921364), (940, 21804761), (1034, 19822510), (1045, 19613852), (1156, 17730515), (1292, 15864145), (1444, 14194235), (1445, 14184412), (1598, 12826330), (1615, 12691316), (1786, 11476190), (1805, 11355388), (1870, 10960682), (2068, 9911255), (2090, 9806926), (2585, 7929004), (2890, 7092206), (3179, 6447460), (3196, 6413165), (3230, 6345658), (3553, 5768780), (3572, 5738095), (3610, 5677694), (3740, 5480341), (3971, 5161540), (3995, 5130532), (4180, 4903463), (4465, 4590476), (5170, 3964502), (5491, 3732740), (5780, 3546103), (6137, 3339820), (6358, 3223730), (6460, 3172829), (6859, 2988260), (7106, 2884390), (7220, 2838847), (7942, 2580770), (7990, 2565266), (8789, 2332060), (8930, 2295238), (9823, 2086580), (10340, 1982251), (10982, 1866370), (12274, 1669910), (12716, 1611865), (13583, 1508980), (13718, 1494130), (14212, 1442195), (15181, 1350140), (15884, 1290385), (15895, 1289492), (15980, 1282633), (16967, 1208020), (17578, 1166030), (17765, 1153756), (17860, 1147619), (19646, 1043290), (19855, 1032308), (21964, 933185), (24548, 834955), (27166, 754490), (27436, 747065), (27455, 746548), (30362, 675070), (30685, 667964), (31790, 644746), (33934, 604010), (34295, 597652), (35156, 583015), (35530, 576878), (39292, 521645), (39710, 516154), (43945, 466412), (49115, 417316), (54332, 377245), (54910, 373274), (60401, 339340), (60724, 337535), (61370, 333982), (63580, 322373), (67507, 303620), (67868, 302005), (67915, 301796), (68590, 298826), (71060, 288439), (75449, 271660), (75905, 270028), (79420, 258077), (84835, 241604), (87890, 233206), (98230, 208658), (104329, 196460), (109820, 186637), (116603, 175780), (120802, 169670), (122740, 166991), (135014, 151810), (135830, 150898), (137180, 149413)]