20903372

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20177}}^1$

素因数の和:20225

約数の個数: 24

約数和(自身を含む): 42938784

約数和(自身を除く): 22035412

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 20177, 40354, 80708, 141239, 282478, 564956, 746549, 1493098, 2986196, 5225843, 10451686, 20903372]

約数ペア:

[(1, 20903372), (2, 10451686), (4, 5225843), (7, 2986196), (14, 1493098), (28, 746549), (37, 564956), (74, 282478), (148, 141239), (259, 80708), (518, 40354), (1036, 20177)]