20260918

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{2351}}^1$

素因数の和:2523

約数の個数: 16

約数和(自身を含む): 31610880

約数和(自身を除く): 11349962

約数列:

[1, 2, 31, 62, 139, 278, 2351, 4309, 4702, 8618, 72881, 145762, 326789, 653578, 10130459, 20260918]

約数ペア:

[(1, 20260918), (2, 10130459), (31, 653578), (62, 326789), (139, 145762), (278, 72881), (2351, 8618), (4309, 4702)]