20565106

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{1997}}^1$

素因数の和:2289

約数の個数: 16

約数和(自身を含む): 32607360

約数和(自身を除く): 12042254

約数列:

[1, 2, 19, 38, 271, 542, 1997, 3994, 5149, 10298, 37943, 75886, 541187, 1082374, 10282553, 20565106]

約数ペア:

[(1, 20565106), (2, 10282553), (19, 1082374), (38, 541187), (271, 75886), (542, 37943), (1997, 10298), (3994, 5149)]