20161738792

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1213}}^1\times {\mathrm{2251}}^1$

素因数の和:3554

約数の個数: 64

約数和(自身を含む): 41336991360

約数和(自身を除く): 21175252568

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 568, 923, 1213, 1846, 2251, 2426, 3692, 4502, 4852, 7384, 9004, 9704, 15769, 18008, 29263, 31538, 58526, 63076, 86123, 117052, 126152, 159821, 172246, 234104, 319642, 344492, 639284, 688984, 1119599, 1278568, 2077673, 2239198, 2730463, 4155346, 4478396, 5460926, 8310692, 8956792, 10921852, 16621384, 21843704, 35496019, 70992038, 141984076, 193862873, 283968152, 387725746, 775451492, 1550902984, 2520217349, 5040434698, 10080869396, 20161738792]

約数ペア:

[(1, 20161738792), (2, 10080869396), (4, 5040434698), (8, 2520217349), (13, 1550902984), (26, 775451492), (52, 387725746), (71, 283968152), (104, 193862873), (142, 141984076), (284, 70992038), (568, 35496019), (923, 21843704), (1213, 16621384), (1846, 10921852), (2251, 8956792), (2426, 8310692), (3692, 5460926), (4502, 4478396), (4852, 4155346), (7384, 2730463), (9004, 2239198), (9704, 2077673), (15769, 1278568), (18008, 1119599), (29263, 688984), (31538, 639284), (58526, 344492), (63076, 319642), (86123, 234104), (117052, 172246), (126152, 159821)]