20256790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3037}}^1$

素因数の和:3096

約数の個数: 32

約数和(自身を含む): 39372480

約数和(自身を除く): 19115690

約数列:

[1, 2, 5, 10, 23, 29, 46, 58, 115, 145, 230, 290, 667, 1334, 3037, 3335, 6074, 6670, 15185, 30370, 69851, 88073, 139702, 176146, 349255, 440365, 698510, 880730, 2025679, 4051358, 10128395, 20256790]

約数ペア:

[(1, 20256790), (2, 10128395), (5, 4051358), (10, 2025679), (23, 880730), (29, 698510), (46, 440365), (58, 349255), (115, 176146), (145, 139702), (230, 88073), (290, 69851), (667, 30370), (1334, 15185), (3037, 6670), (3335, 6074)]