20591556

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{523}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 51234624

約数和(自身を除く): 30643068

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 193, 204, 386, 523, 579, 772, 1046, 1158, 1569, 2092, 2316, 3138, 3281, 6276, 6562, 8891, 9843, 13124, 17782, 19686, 26673, 35564, 39372, 53346, 100939, 106692, 201878, 302817, 403756, 605634, 1211268, 1715963, 3431926, 5147889, 6863852, 10295778, 20591556]

約数ペア:

[(1, 20591556), (2, 10295778), (3, 6863852), (4, 5147889), (6, 3431926), (12, 1715963), (17, 1211268), (34, 605634), (51, 403756), (68, 302817), (102, 201878), (193, 106692), (204, 100939), (386, 53346), (523, 39372), (579, 35564), (772, 26673), (1046, 19686), (1158, 17782), (1569, 13124), (2092, 9843), (2316, 8891), (3138, 6562), (3281, 6276)]