20684716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23399}}^1$

素因数の和:23433

約数の個数: 24

約数和(自身を含む): 41277600

約数和(自身を除く): 20592884

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 23399, 46798, 93596, 304187, 397783, 608374, 795566, 1216748, 1591132, 5171179, 10342358, 20684716]

約数ペア:

[(1, 20684716), (2, 10342358), (4, 5171179), (13, 1591132), (17, 1216748), (26, 795566), (34, 608374), (52, 397783), (68, 304187), (221, 93596), (442, 46798), (884, 23399)]