20875238

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{1621}}^1$

素因数の和:1807

約数の個数: 16

約数和(自身を含む): 32232384

約数和(自身を除く): 11357146

約数列:

[1, 2, 47, 94, 137, 274, 1621, 3242, 6439, 12878, 76187, 152374, 222077, 444154, 10437619, 20875238]

約数ペア:

[(1, 20875238), (2, 10437619), (47, 444154), (94, 222077), (137, 152374), (274, 76187), (1621, 12878), (3242, 6439)]