20195665

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{12277}}^1$

素因数の和:12336

約数の個数: 16

約数和(自身を含む): 28288512

約数和(自身を除く): 8092847

約数列:

[1, 5, 7, 35, 47, 235, 329, 1645, 12277, 61385, 85939, 429695, 577019, 2885095, 4039133, 20195665]

約数ペア:

[(1, 20195665), (5, 4039133), (7, 2885095), (35, 577019), (47, 429695), (235, 85939), (329, 61385), (1645, 12277)]