13111122020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21146971}}^1$

素因数の和:21147011

約数の個数: 24

約数和(自身を含む): 28421530368

約数和(自身を除く): 15310408348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 21146971, 42293942, 84587884, 105734855, 211469710, 422939420, 655556101, 1311112202, 2622224404, 3277780505, 6555561010, 13111122020]

約数ペア:

[(1, 13111122020), (2, 6555561010), (4, 3277780505), (5, 2622224404), (10, 1311112202), (20, 655556101), (31, 422939420), (62, 211469710), (124, 105734855), (155, 84587884), (310, 42293942), (620, 21146971)]