20862556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{36473}}^1$

素因数の和:36501

約数の個数: 24

約数和(自身を含む): 42893424

約数和(自身を除く): 22030868

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 36473, 72946, 145892, 401203, 474149, 802406, 948298, 1604812, 1896596, 5215639, 10431278, 20862556]

約数ペア:

[(1, 20862556), (2, 10431278), (4, 5215639), (11, 1896596), (13, 1604812), (22, 948298), (26, 802406), (44, 474149), (52, 401203), (143, 145892), (286, 72946), (572, 36473)]