20652919

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{3467}}^1$

素因数の和:3534

約数の個数: 16

約数和(自身を含む): 25302528

約数和(自身を除く): 4649609

約数列:

[1, 7, 23, 37, 161, 259, 851, 3467, 5957, 24269, 79741, 128279, 558187, 897953, 2950417, 20652919]

約数ペア:

[(1, 20652919), (7, 2950417), (23, 897953), (37, 558187), (161, 128279), (259, 79741), (851, 24269), (3467, 5957)]