20389886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{677}}^1$

素因数の和:764

約数の個数: 24

約数和(自身を含む): 34342056

約数和(自身を除く): 13952170

約数列:

[1, 2, 11, 22, 37, 74, 407, 677, 814, 1354, 1369, 2738, 7447, 14894, 15059, 25049, 30118, 50098, 275539, 551078, 926813, 1853626, 10194943, 20389886]

約数ペア:

[(1, 20389886), (2, 10194943), (11, 1853626), (22, 926813), (37, 551078), (74, 275539), (407, 50098), (677, 30118), (814, 25049), (1354, 15059), (1369, 14894), (2738, 7447)]