13566220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21881}}^1$

素因数の和:21921

約数の個数: 24

約数和(自身を含む): 29409408

約数和(自身を除く): 15843188

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 21881, 43762, 87524, 109405, 218810, 437620, 678311, 1356622, 2713244, 3391555, 6783110, 13566220]

約数ペア:

[(1, 13566220), (2, 6783110), (4, 3391555), (5, 2713244), (10, 1356622), (20, 678311), (31, 437620), (62, 218810), (124, 109405), (155, 87524), (310, 43762), (620, 21881)]