20996957608

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{141101}}^1$

素因数の和:141226

約数の個数: 64

約数和(自身を含む): 45717048000

約数和(自身を除く): 24720090392

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 89, 152, 178, 209, 356, 418, 712, 836, 979, 1672, 1691, 1958, 3382, 3916, 6764, 7832, 13528, 18601, 37202, 74404, 141101, 148808, 282202, 564404, 1128808, 1552111, 2680919, 3104222, 5361838, 6208444, 10723676, 12416888, 12557989, 21447352, 25115978, 29490109, 50231956, 58980218, 100463912, 117960436, 138137879, 235920872, 238601791, 276275758, 477203582, 552551516, 954407164, 1105103032, 1908814328, 2624619701, 5249239402, 10498478804, 20996957608]

約数ペア:

[(1, 20996957608), (2, 10498478804), (4, 5249239402), (8, 2624619701), (11, 1908814328), (19, 1105103032), (22, 954407164), (38, 552551516), (44, 477203582), (76, 276275758), (88, 238601791), (89, 235920872), (152, 138137879), (178, 117960436), (209, 100463912), (356, 58980218), (418, 50231956), (712, 29490109), (836, 25115978), (979, 21447352), (1672, 12557989), (1691, 12416888), (1958, 10723676), (3382, 6208444), (3916, 5361838), (6764, 3104222), (7832, 2680919), (13528, 1552111), (18601, 1128808), (37202, 564404), (74404, 282202), (141101, 148808)]