20322250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^3\times {\mathrm{37}}^1$

素因数の和:93

約数の個数: 64

約数和(自身を含む): 42325920

約数和(自身を除く): 22003670

約数列:

[1, 2, 5, 10, 13, 25, 26, 37, 50, 65, 74, 125, 130, 169, 185, 250, 325, 338, 370, 481, 650, 845, 925, 962, 1625, 1690, 1850, 2197, 2405, 3250, 4225, 4394, 4625, 4810, 6253, 8450, 9250, 10985, 12025, 12506, 21125, 21970, 24050, 31265, 42250, 54925, 60125, 62530, 81289, 109850, 120250, 156325, 162578, 274625, 312650, 406445, 549250, 781625, 812890, 1563250, 2032225, 4064450, 10161125, 20322250]

約数ペア:

[(1, 20322250), (2, 10161125), (5, 4064450), (10, 2032225), (13, 1563250), (25, 812890), (26, 781625), (37, 549250), (50, 406445), (65, 312650), (74, 274625), (125, 162578), (130, 156325), (169, 120250), (185, 109850), (250, 81289), (325, 62530), (338, 60125), (370, 54925), (481, 42250), (650, 31265), (845, 24050), (925, 21970), (962, 21125), (1625, 12506), (1690, 12025), (1850, 10985), (2197, 9250), (2405, 8450), (3250, 6253), (4225, 4810), (4394, 4625)]