20101755080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45685807}}^1$

素因数の和:45685829

約数の個数: 32

約数和(自身を含む): 49340672640

約数和(自身を除く): 29238917560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 45685807, 91371614, 182743228, 228429035, 365486456, 456858070, 502543877, 913716140, 1005087754, 1827432280, 2010175508, 2512719385, 4020351016, 5025438770, 10050877540, 20101755080]

約数ペア:

[(1, 20101755080), (2, 10050877540), (4, 5025438770), (5, 4020351016), (8, 2512719385), (10, 2010175508), (11, 1827432280), (20, 1005087754), (22, 913716140), (40, 502543877), (44, 456858070), (55, 365486456), (88, 228429035), (110, 182743228), (220, 91371614), (440, 45685807)]