20927958

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{353}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 43176672

約数和(自身を除く): 22248714

約数列:

[1, 2, 3, 6, 41, 82, 123, 241, 246, 353, 482, 706, 723, 1059, 1446, 2118, 9881, 14473, 19762, 28946, 29643, 43419, 59286, 85073, 86838, 170146, 255219, 510438, 3487993, 6975986, 10463979, 20927958]

約数ペア:

[(1, 20927958), (2, 10463979), (3, 6975986), (6, 3487993), (41, 510438), (82, 255219), (123, 170146), (241, 86838), (246, 85073), (353, 59286), (482, 43419), (706, 29643), (723, 28946), (1059, 19762), (1446, 14473), (2118, 9881)]