20117384

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2411}}^1$

素因数の和:2573

約数の個数: 32

約数和(自身を含む): 43416000

約数和(自身を除く): 23298616

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 298, 596, 1043, 1192, 2086, 2411, 4172, 4822, 8344, 9644, 16877, 19288, 33754, 67508, 135016, 359239, 718478, 1436956, 2514673, 2873912, 5029346, 10058692, 20117384]

約数ペア:

[(1, 20117384), (2, 10058692), (4, 5029346), (7, 2873912), (8, 2514673), (14, 1436956), (28, 718478), (56, 359239), (149, 135016), (298, 67508), (596, 33754), (1043, 19288), (1192, 16877), (2086, 9644), (2411, 8344), (4172, 4822)]