20517384

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{719}}^1$

素因数の和:798

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 33914616

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 41, 58, 82, 87, 116, 123, 164, 174, 232, 246, 328, 348, 492, 696, 719, 984, 1189, 1438, 2157, 2378, 2876, 3567, 4314, 4756, 5752, 7134, 8628, 9512, 14268, 17256, 20851, 28536, 29479, 41702, 58958, 62553, 83404, 88437, 117916, 125106, 166808, 176874, 235832, 250212, 353748, 500424, 707496, 854891, 1709782, 2564673, 3419564, 5129346, 6839128, 10258692, 20517384]

約数ペア:

[(1, 20517384), (2, 10258692), (3, 6839128), (4, 5129346), (6, 3419564), (8, 2564673), (12, 1709782), (24, 854891), (29, 707496), (41, 500424), (58, 353748), (82, 250212), (87, 235832), (116, 176874), (123, 166808), (164, 125106), (174, 117916), (232, 88437), (246, 83404), (328, 62553), (348, 58958), (492, 41702), (696, 29479), (719, 28536), (984, 20851), (1189, 17256), (1438, 14268), (2157, 9512), (2378, 8628), (2876, 7134), (3567, 5752), (4314, 4756)]