20505606

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{3203}}^1$

素因数の和:3316

約数の個数: 32

約数和(自身を含む): 45214848

約数和(自身を除く): 24709242

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 97, 194, 291, 582, 1067, 2134, 3201, 3203, 6402, 6406, 9609, 19218, 35233, 70466, 105699, 211398, 310691, 621382, 932073, 1864146, 3417601, 6835202, 10252803, 20505606]

約数ペア:

[(1, 20505606), (2, 10252803), (3, 6835202), (6, 3417601), (11, 1864146), (22, 932073), (33, 621382), (66, 310691), (97, 211398), (194, 105699), (291, 70466), (582, 35233), (1067, 19218), (2134, 9609), (3201, 6406), (3203, 6402)]