20429292

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{130957}}^1$

素因数の和:130977

約数の個数: 24

約数和(自身を含む): 51335536

約数和(自身を除く): 30906244

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 130957, 261914, 392871, 523828, 785742, 1571484, 1702441, 3404882, 5107323, 6809764, 10214646, 20429292]

約数ペア:

[(1, 20429292), (2, 10214646), (3, 6809764), (4, 5107323), (6, 3404882), (12, 1702441), (13, 1571484), (26, 785742), (39, 523828), (52, 392871), (78, 261914), (156, 130957)]