20811896

素因数分解:

$2^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{6299}}^1$

素因数の和:6371

約数の個数: 32

約数和(自身を含む): 45360000

約数和(自身を除く): 24548104

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 59, 118, 236, 413, 472, 826, 1652, 3304, 6299, 12598, 25196, 44093, 50392, 88186, 176372, 352744, 371641, 743282, 1486564, 2601487, 2973128, 5202974, 10405948, 20811896]

約数ペア:

[(1, 20811896), (2, 10405948), (4, 5202974), (7, 2973128), (8, 2601487), (14, 1486564), (28, 743282), (56, 371641), (59, 352744), (118, 176372), (236, 88186), (413, 50392), (472, 44093), (826, 25196), (1652, 12598), (3304, 6299)]