20624716

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{4519}}^1$

素因数の和:4693

約数の個数: 24

約数和(自身を含む): 41511680

約数和(自身を除く): 20886964

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4519, 4564, 9038, 18076, 31633, 63266, 126532, 736597, 1473194, 2946388, 5156179, 10312358, 20624716]

約数ペア:

[(1, 20624716), (2, 10312358), (4, 5156179), (7, 2946388), (14, 1473194), (28, 736597), (163, 126532), (326, 63266), (652, 31633), (1141, 18076), (2282, 9038), (4519, 4564)]