20683525

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{607}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 27141120

約数和(自身を除く): 6457595

約数列:

[1, 5, 25, 29, 47, 145, 235, 607, 725, 1175, 1363, 3035, 6815, 15175, 17603, 28529, 34075, 88015, 142645, 440075, 713225, 827341, 4136705, 20683525]

約数ペア:

[(1, 20683525), (5, 4136705), (25, 827341), (29, 713225), (47, 440075), (145, 142645), (235, 88015), (607, 34075), (725, 28529), (1175, 17603), (1363, 15175), (3035, 6815)]