20199963010

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16661}}^1\times {\mathrm{3911}}^1$

素因数の和:20610

約数の個数: 32

約数和(自身を含む): 37544684544

約数和(自身を除く): 17344721534

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 3911, 7822, 16661, 19555, 33322, 39110, 83305, 121241, 166610, 242482, 516491, 606205, 1032982, 1212410, 2582455, 5164910, 65161171, 130322342, 325805855, 651611710, 2019996301, 4039992602, 10099981505, 20199963010]

約数ペア:

[(1, 20199963010), (2, 10099981505), (5, 4039992602), (10, 2019996301), (31, 651611710), (62, 325805855), (155, 130322342), (310, 65161171), (3911, 5164910), (7822, 2582455), (16661, 1212410), (19555, 1032982), (33322, 606205), (39110, 516491), (83305, 242482), (121241, 166610)]