20957925

素因数分解:

$3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{2713}}^1$

素因数の和:2829

約数の個数: 24

約数和(自身を含む): 34999744

約数和(自身を除く): 14041819

約数列:

[1, 3, 5, 15, 25, 75, 103, 309, 515, 1545, 2575, 2713, 7725, 8139, 13565, 40695, 67825, 203475, 279439, 838317, 1397195, 4191585, 6985975, 20957925]

約数ペア:

[(1, 20957925), (3, 6985975), (5, 4191585), (15, 1397195), (25, 838317), (75, 279439), (103, 203475), (309, 67825), (515, 40695), (1545, 13565), (2575, 8139), (2713, 7725)]