20182153940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{56701}}^1$

素因数の和:56797

約数の個数: 72

約数和(自身を含む): 46910471832

約数和(自身を除く): 26728317892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1369, 1924, 2405, 2738, 4810, 5476, 6845, 9620, 13690, 17797, 27380, 35594, 56701, 71188, 88985, 113402, 177970, 226804, 283505, 355940, 567010, 737113, 1134020, 1474226, 2097937, 2948452, 3685565, 4195874, 7371130, 8391748, 10489685, 14742260, 20979370, 27273181, 41958740, 54546362, 77623669, 109092724, 136365905, 155247338, 272731810, 310494676, 388118345, 545463620, 776236690, 1009107697, 1552473380, 2018215394, 4036430788, 5045538485, 10091076970, 20182153940]

約数ペア:

[(1, 20182153940), (2, 10091076970), (4, 5045538485), (5, 4036430788), (10, 2018215394), (13, 1552473380), (20, 1009107697), (26, 776236690), (37, 545463620), (52, 388118345), (65, 310494676), (74, 272731810), (130, 155247338), (148, 136365905), (185, 109092724), (260, 77623669), (370, 54546362), (481, 41958740), (740, 27273181), (962, 20979370), (1369, 14742260), (1924, 10489685), (2405, 8391748), (2738, 7371130), (4810, 4195874), (5476, 3685565), (6845, 2948452), (9620, 2097937), (13690, 1474226), (17797, 1134020), (27380, 737113), (35594, 567010), (56701, 355940), (71188, 283505), (88985, 226804), (113402, 177970)]