20324200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7817}}^1$

素因数の和:7846

約数の個数: 48

約数和(自身を含む): 50895180

約数和(自身を除く): 30570980

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 7817, 15634, 31268, 39085, 62536, 78170, 101621, 156340, 195425, 203242, 312680, 390850, 406484, 508105, 781700, 812968, 1016210, 1563400, 2032420, 2540525, 4064840, 5081050, 10162100, 20324200]

約数ペア:

[(1, 20324200), (2, 10162100), (4, 5081050), (5, 4064840), (8, 2540525), (10, 2032420), (13, 1563400), (20, 1016210), (25, 812968), (26, 781700), (40, 508105), (50, 406484), (52, 390850), (65, 312680), (100, 203242), (104, 195425), (130, 156340), (200, 101621), (260, 78170), (325, 62536), (520, 39085), (650, 31268), (1300, 15634), (2600, 7817)]