20153668920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{887}}^1\times {\mathrm{2459}}^1$

素因数の和:3378

約数の個数: 256

約数和(自身を含む): 75495628800

約数和(自身を除く): 55341959880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 887, 924, 1155, 1320, 1540, 1774, 1848, 2310, 2459, 2661, 3080, 3548, 4435, 4620, 4918, 5322, 6209, 7096, 7377, 8870, 9240, 9757, 9836, 10644, 12295, 12418, 13305, 14754, 17213, 17740, 18627, 19514, 19672, 21288, 24590, 24836, 26610, 27049, 29271, 29508, 31045, 34426, 35480, 36885, 37254, 39028, 48785, 49180, 49672, 51639, 53220, 54098, 58542, 59016, 62090, 68299, 68852, 73770, 74508, 78056, 81147, 86065, 93135, 97570, 98360, 103278, 106440, 108196, 117084, 124180, 135245, 136598, 137704, 146355, 147540, 149016, 162294, 172130, 186270, 189343, 195140, 204897, 206556, 216392, 234168, 248360, 258195, 270490, 273196, 292710, 295080, 324588, 341495, 344260, 372540, 378686, 390280, 405735, 409794, 413112, 516390, 540980, 546392, 568029, 585420, 649176, 682990, 688520, 745080, 757372, 811470, 819588, 946715, 1024485, 1032780, 1081960, 1136058, 1170840, 1365980, 1514744, 1622940, 1639176, 1893430, 2048970, 2065560, 2181133, 2272116, 2731960, 2840145, 3245880, 3786860, 4097940, 4362266, 4544232, 5680290, 6543399, 7573720, 8195880, 8724532, 10905665, 11360580, 13086798, 15267931, 17449064, 21811330, 22721160, 23992463, 26173596, 30535862, 32716995, 43622660, 45803793, 47984926, 52347192, 61071724, 65433990, 71977389, 76339655, 87245320, 91607586, 95969852, 119962315, 122143448, 130867980, 143954778, 152679310, 167947241, 183215172, 191939704, 229018965, 239924630, 261735960, 287909556, 305358620, 335894482, 359886945, 366430344, 458037930, 479849260, 503841723, 575819112, 610717240, 671788964, 719773890, 839736205, 916075860, 959698520, 1007683446, 1343577928, 1439547780, 1679472410, 1832151720, 2015366892, 2519208615, 2879095560, 3358944820, 4030733784, 5038417230, 6717889640, 10076834460, 20153668920]

約数ペア:

[(1, 20153668920), (2, 10076834460), (3, 6717889640), (4, 5038417230), (5, 4030733784), (6, 3358944820), (7, 2879095560), (8, 2519208615), (10, 2015366892), (11, 1832151720), (12, 1679472410), (14, 1439547780), (15, 1343577928), (20, 1007683446), (21, 959698520), (22, 916075860), (24, 839736205), (28, 719773890), (30, 671788964), (33, 610717240), (35, 575819112), (40, 503841723), (42, 479849260), (44, 458037930), (55, 366430344), (56, 359886945), (60, 335894482), (66, 305358620), (70, 287909556), (77, 261735960), (84, 239924630), (88, 229018965), (105, 191939704), (110, 183215172), (120, 167947241), (132, 152679310), (140, 143954778), (154, 130867980), (165, 122143448), (168, 119962315), (210, 95969852), (220, 91607586), (231, 87245320), (264, 76339655), (280, 71977389), (308, 65433990), (330, 61071724), (385, 52347192), (420, 47984926), (440, 45803793), (462, 43622660), (616, 32716995), (660, 30535862), (770, 26173596), (840, 23992463), (887, 22721160), (924, 21811330), (1155, 17449064), (1320, 15267931), (1540, 13086798), (1774, 11360580), (1848, 10905665), (2310, 8724532), (2459, 8195880), (2661, 7573720), (3080, 6543399), (3548, 5680290), (4435, 4544232), (4620, 4362266), (4918, 4097940), (5322, 3786860), (6209, 3245880), (7096, 2840145), (7377, 2731960), (8870, 2272116), (9240, 2181133), (9757, 2065560), (9836, 2048970), (10644, 1893430), (12295, 1639176), (12418, 1622940), (13305, 1514744), (14754, 1365980), (17213, 1170840), (17740, 1136058), (18627, 1081960), (19514, 1032780), (19672, 1024485), (21288, 946715), (24590, 819588), (24836, 811470), (26610, 757372), (27049, 745080), (29271, 688520), (29508, 682990), (31045, 649176), (34426, 585420), (35480, 568029), (36885, 546392), (37254, 540980), (39028, 516390), (48785, 413112), (49180, 409794), (49672, 405735), (51639, 390280), (53220, 378686), (54098, 372540), (58542, 344260), (59016, 341495), (62090, 324588), (68299, 295080), (68852, 292710), (73770, 273196), (74508, 270490), (78056, 258195), (81147, 248360), (86065, 234168), (93135, 216392), (97570, 206556), (98360, 204897), (103278, 195140), (106440, 189343), (108196, 186270), (117084, 172130), (124180, 162294), (135245, 149016), (136598, 147540), (137704, 146355)]