20348033980

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1\times {\mathrm{37967}}^1$

素因数の和:38314

約数の個数: 48

約数和(自身を含む): 43272585216

約数和(自身を除く): 22924551236

約数列:

[1, 2, 4, 5, 10, 20, 127, 211, 254, 422, 508, 635, 844, 1055, 1270, 2110, 2540, 4220, 26797, 37967, 53594, 75934, 107188, 133985, 151868, 189835, 267970, 379670, 535940, 759340, 4821809, 8011037, 9643618, 16022074, 19287236, 24109045, 32044148, 40055185, 48218090, 80110370, 96436180, 160220740, 1017401699, 2034803398, 4069606796, 5087008495, 10174016990, 20348033980]

約数ペア:

[(1, 20348033980), (2, 10174016990), (4, 5087008495), (5, 4069606796), (10, 2034803398), (20, 1017401699), (127, 160220740), (211, 96436180), (254, 80110370), (422, 48218090), (508, 40055185), (635, 32044148), (844, 24109045), (1055, 19287236), (1270, 16022074), (2110, 9643618), (2540, 8011037), (4220, 4821809), (26797, 759340), (37967, 535940), (53594, 379670), (75934, 267970), (107188, 189835), (133985, 151868)]