20988896548

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{6199}}^1\times {\mathrm{15971}}^1$

素因数の和:22227

約数の個数: 24

約数和(自身を含む): 37431979200

約数和(自身を除く): 16443082652

約数列:

[1, 2, 4, 53, 106, 212, 6199, 12398, 15971, 24796, 31942, 63884, 328547, 657094, 846463, 1314188, 1692926, 3385852, 99004229, 198008458, 396016916, 5247224137, 10494448274, 20988896548]

約数ペア:

[(1, 20988896548), (2, 10494448274), (4, 5247224137), (53, 396016916), (106, 198008458), (212, 99004229), (6199, 3385852), (12398, 1692926), (15971, 1314188), (24796, 846463), (31942, 657094), (63884, 328547)]