16820428

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{263}}^1\times {\mathrm{271}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 30159360

約数和(自身を除く): 13338932

約数列:

[1, 2, 4, 59, 118, 236, 263, 271, 526, 542, 1052, 1084, 15517, 15989, 31034, 31978, 62068, 63956, 71273, 142546, 285092, 4205107, 8410214, 16820428]

約数ペア:

[(1, 16820428), (2, 8410214), (4, 4205107), (59, 285092), (118, 142546), (236, 71273), (263, 63956), (271, 62068), (526, 31978), (542, 31034), (1052, 15989), (1084, 15517)]