13938220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22481}}^1$

素因数の和:22521

約数の個数: 24

約数和(自身を含む): 30215808

約数和(自身を除く): 16277588

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 22481, 44962, 89924, 112405, 224810, 449620, 696911, 1393822, 2787644, 3484555, 6969110, 13938220]

約数ペア:

[(1, 13938220), (2, 6969110), (4, 3484555), (5, 2787644), (10, 1393822), (20, 696911), (31, 449620), (62, 224810), (124, 112405), (155, 89924), (310, 44962), (620, 22481)]