20780196

素因数分解:

$2^2\times 3^1\times {\mathrm{109}}^1\times {\mathrm{15887}}^1$

素因数の和:16003

約数の個数: 24

約数和(自身を含む): 48935040

約数和(自身を除く): 28154844

約数列:

[1, 2, 3, 4, 6, 12, 109, 218, 327, 436, 654, 1308, 15887, 31774, 47661, 63548, 95322, 190644, 1731683, 3463366, 5195049, 6926732, 10390098, 20780196]

約数ペア:

[(1, 20780196), (2, 10390098), (3, 6926732), (4, 5195049), (6, 3463366), (12, 1731683), (109, 190644), (218, 95322), (327, 63548), (436, 47661), (654, 31774), (1308, 15887)]