20575989840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{167}}^1\times {\mathrm{10477}}^1$

素因数の和:10674

約数の個数: 240

約数和(自身を含む): 74650972032

約数和(自身を除く): 54074982192

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 167, 168, 196, 210, 240, 245, 280, 294, 334, 336, 392, 420, 490, 501, 560, 588, 668, 735, 784, 835, 840, 980, 1002, 1169, 1176, 1336, 1470, 1670, 1680, 1960, 2004, 2338, 2352, 2505, 2672, 2940, 3340, 3507, 3920, 4008, 4676, 5010, 5845, 5880, 6680, 7014, 8016, 8183, 9352, 10020, 10477, 11690, 11760, 13360, 14028, 16366, 17535, 18704, 20040, 20954, 23380, 24549, 28056, 31431, 32732, 35070, 40080, 40915, 41908, 46760, 49098, 52385, 56112, 62862, 65464, 70140, 73339, 81830, 83816, 93520, 98196, 104770, 122745, 125724, 130928, 140280, 146678, 157155, 163660, 167632, 196392, 209540, 220017, 245490, 251448, 280560, 293356, 314310, 327320, 366695, 392784, 419080, 440034, 490980, 502896, 513373, 586712, 628620, 654640, 733390, 838160, 880068, 981960, 1026746, 1100085, 1173424, 1257240, 1466780, 1540119, 1749659, 1760136, 1963920, 2053492, 2200170, 2514480, 2566865, 2933560, 3080238, 3499318, 3520272, 4106984, 4400340, 5133730, 5248977, 5867120, 6160476, 6998636, 7700595, 8213968, 8748295, 8800680, 10267460, 10497954, 12247613, 12320952, 13997272, 15401190, 17496590, 17601360, 20534920, 20995908, 24495226, 24641904, 26244885, 27994544, 30802380, 34993180, 36742839, 41069840, 41991816, 48990452, 52489770, 61238065, 61604760, 69986360, 73485678, 83983632, 85733291, 97980904, 104979540, 122476130, 123209520, 139972720, 146971356, 171466582, 183714195, 195961808, 209959080, 244952260, 257199873, 293942712, 342933164, 367428390, 419918160, 428666455, 489904520, 514399746, 587885424, 685866328, 734856780, 857332910, 979809040, 1028799492, 1285999365, 1371732656, 1469713560, 1714665820, 2057598984, 2571998730, 2939427120, 3429331640, 4115197968, 5143997460, 6858663280, 10287994920, 20575989840]

約数ペア:

[(1, 20575989840), (2, 10287994920), (3, 6858663280), (4, 5143997460), (5, 4115197968), (6, 3429331640), (7, 2939427120), (8, 2571998730), (10, 2057598984), (12, 1714665820), (14, 1469713560), (15, 1371732656), (16, 1285999365), (20, 1028799492), (21, 979809040), (24, 857332910), (28, 734856780), (30, 685866328), (35, 587885424), (40, 514399746), (42, 489904520), (48, 428666455), (49, 419918160), (56, 367428390), (60, 342933164), (70, 293942712), (80, 257199873), (84, 244952260), (98, 209959080), (105, 195961808), (112, 183714195), (120, 171466582), (140, 146971356), (147, 139972720), (167, 123209520), (168, 122476130), (196, 104979540), (210, 97980904), (240, 85733291), (245, 83983632), (280, 73485678), (294, 69986360), (334, 61604760), (336, 61238065), (392, 52489770), (420, 48990452), (490, 41991816), (501, 41069840), (560, 36742839), (588, 34993180), (668, 30802380), (735, 27994544), (784, 26244885), (835, 24641904), (840, 24495226), (980, 20995908), (1002, 20534920), (1169, 17601360), (1176, 17496590), (1336, 15401190), (1470, 13997272), (1670, 12320952), (1680, 12247613), (1960, 10497954), (2004, 10267460), (2338, 8800680), (2352, 8748295), (2505, 8213968), (2672, 7700595), (2940, 6998636), (3340, 6160476), (3507, 5867120), (3920, 5248977), (4008, 5133730), (4676, 4400340), (5010, 4106984), (5845, 3520272), (5880, 3499318), (6680, 3080238), (7014, 2933560), (8016, 2566865), (8183, 2514480), (9352, 2200170), (10020, 2053492), (10477, 1963920), (11690, 1760136), (11760, 1749659), (13360, 1540119), (14028, 1466780), (16366, 1257240), (17535, 1173424), (18704, 1100085), (20040, 1026746), (20954, 981960), (23380, 880068), (24549, 838160), (28056, 733390), (31431, 654640), (32732, 628620), (35070, 586712), (40080, 513373), (40915, 502896), (41908, 490980), (46760, 440034), (49098, 419080), (52385, 392784), (56112, 366695), (62862, 327320), (65464, 314310), (70140, 293356), (73339, 280560), (81830, 251448), (83816, 245490), (93520, 220017), (98196, 209540), (104770, 196392), (122745, 167632), (125724, 163660), (130928, 157155), (140280, 146678)]