20504896680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{28859}}^1$

素因数の和:29095

約数の個数: 128

約数和(自身を含む): 63833702400

約数和(自身を除く): 43328805720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 191, 248, 310, 372, 382, 465, 573, 620, 744, 764, 930, 955, 1146, 1240, 1528, 1860, 1910, 2292, 2865, 3720, 3820, 4584, 5730, 5921, 7640, 11460, 11842, 17763, 22920, 23684, 28859, 29605, 35526, 47368, 57718, 59210, 71052, 86577, 88815, 115436, 118420, 142104, 144295, 173154, 177630, 230872, 236840, 288590, 346308, 355260, 432885, 577180, 692616, 710520, 865770, 894629, 1154360, 1731540, 1789258, 2683887, 3463080, 3578516, 4473145, 5367774, 5512069, 7157032, 8946290, 10735548, 11024138, 13419435, 16536207, 17892580, 21471096, 22048276, 26838870, 27560345, 33072414, 35785160, 44096552, 53677740, 55120690, 66144828, 82681035, 107355480, 110241380, 132289656, 165362070, 170874139, 220482760, 330724140, 341748278, 512622417, 661448280, 683496556, 854370695, 1025244834, 1366993112, 1708741390, 2050489668, 2563112085, 3417482780, 4100979336, 5126224170, 6834965560, 10252448340, 20504896680]

約数ペア:

[(1, 20504896680), (2, 10252448340), (3, 6834965560), (4, 5126224170), (5, 4100979336), (6, 3417482780), (8, 2563112085), (10, 2050489668), (12, 1708741390), (15, 1366993112), (20, 1025244834), (24, 854370695), (30, 683496556), (31, 661448280), (40, 512622417), (60, 341748278), (62, 330724140), (93, 220482760), (120, 170874139), (124, 165362070), (155, 132289656), (186, 110241380), (191, 107355480), (248, 82681035), (310, 66144828), (372, 55120690), (382, 53677740), (465, 44096552), (573, 35785160), (620, 33072414), (744, 27560345), (764, 26838870), (930, 22048276), (955, 21471096), (1146, 17892580), (1240, 16536207), (1528, 13419435), (1860, 11024138), (1910, 10735548), (2292, 8946290), (2865, 7157032), (3720, 5512069), (3820, 5367774), (4584, 4473145), (5730, 3578516), (5921, 3463080), (7640, 2683887), (11460, 1789258), (11842, 1731540), (17763, 1154360), (22920, 894629), (23684, 865770), (28859, 710520), (29605, 692616), (35526, 577180), (47368, 432885), (57718, 355260), (59210, 346308), (71052, 288590), (86577, 236840), (88815, 230872), (115436, 177630), (118420, 173154), (142104, 144295)]