20853430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3413}}^1$

素因数の和:3480

約数の個数: 32

約数和(自身を含む): 41295744

約数和(自身を除く): 20442314

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 470, 611, 1222, 3055, 3413, 6110, 6826, 17065, 34130, 44369, 88738, 160411, 221845, 320822, 443690, 802055, 1604110, 2085343, 4170686, 10426715, 20853430]

約数ペア:

[(1, 20853430), (2, 10426715), (5, 4170686), (10, 2085343), (13, 1604110), (26, 802055), (47, 443690), (65, 320822), (94, 221845), (130, 160411), (235, 88738), (470, 44369), (611, 34130), (1222, 17065), (3055, 6826), (3413, 6110)]