20816666

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42139}}^1$

素因数の和:42173

約数の個数: 16

約数和(自身を含む): 35397600

約数和(自身を除く): 14580934

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 42139, 84278, 547807, 800641, 1095614, 1601282, 10408333, 20816666]

約数ペア:

[(1, 20816666), (2, 10408333), (13, 1601282), (19, 1095614), (26, 800641), (38, 547807), (247, 84278), (494, 42139)]