20526925

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1231}}^1$

素因数の和:1293

約数の個数: 24

約数和(自身を含む): 27498240

約数和(自身を除く): 6971315

約数列:

[1, 5, 23, 25, 29, 115, 145, 575, 667, 725, 1231, 3335, 6155, 16675, 28313, 30775, 35699, 141565, 178495, 707825, 821077, 892475, 4105385, 20526925]

約数ペア:

[(1, 20526925), (5, 4105385), (23, 892475), (25, 821077), (29, 707825), (115, 178495), (145, 141565), (575, 35699), (667, 30775), (725, 28313), (1231, 16675), (3335, 6155)]