20199709960

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{797}}^1\times {\mathrm{5813}}^1$

素因数の和:6730

約数の個数: 64

約数和(自身を含む): 45931762800

約数和(自身を除く): 25732052840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 797, 872, 1090, 1594, 2180, 3188, 3985, 4360, 5813, 6376, 7970, 11626, 15940, 23252, 29065, 31880, 46504, 58130, 86873, 116260, 173746, 232520, 347492, 434365, 633617, 694984, 868730, 1267234, 1737460, 2534468, 3168085, 3474920, 4632961, 5068936, 6336170, 9265922, 12672340, 18531844, 23164805, 25344680, 37063688, 46329610, 92659220, 185318440, 504992749, 1009985498, 2019970996, 2524963745, 4039941992, 5049927490, 10099854980, 20199709960]

約数ペア:

[(1, 20199709960), (2, 10099854980), (4, 5049927490), (5, 4039941992), (8, 2524963745), (10, 2019970996), (20, 1009985498), (40, 504992749), (109, 185318440), (218, 92659220), (436, 46329610), (545, 37063688), (797, 25344680), (872, 23164805), (1090, 18531844), (1594, 12672340), (2180, 9265922), (3188, 6336170), (3985, 5068936), (4360, 4632961), (5813, 3474920), (6376, 3168085), (7970, 2534468), (11626, 1737460), (15940, 1267234), (23252, 868730), (29065, 694984), (31880, 633617), (46504, 434365), (58130, 347492), (86873, 232520), (116260, 173746)]