20953803

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{1117}}^1$

素因数の和:1183

約数の個数: 24

約数和(自身を含む): 31098288

約数和(自身を除く): 10144485

約数列:

[1, 3, 13, 37, 39, 111, 169, 481, 507, 1117, 1443, 3351, 6253, 14521, 18759, 41329, 43563, 123987, 188773, 537277, 566319, 1611831, 6984601, 20953803]

約数ペア:

[(1, 20953803), (3, 6984601), (13, 1611831), (37, 566319), (39, 537277), (111, 188773), (169, 123987), (481, 43563), (507, 41329), (1117, 18759), (1443, 14521), (3351, 6253)]