20913596

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{1129}}^1$

素因数の和:1565

約数の個数: 24

約数和(自身を含む): 40056240

約数和(自身を除く): 19142644

約数列:

[1, 2, 4, 11, 22, 44, 421, 842, 1129, 1684, 2258, 4516, 4631, 9262, 12419, 18524, 24838, 49676, 475309, 950618, 1901236, 5228399, 10456798, 20913596]

約数ペア:

[(1, 20913596), (2, 10456798), (4, 5228399), (11, 1901236), (22, 950618), (44, 475309), (421, 49676), (842, 24838), (1129, 18524), (1684, 12419), (2258, 9262), (4516, 4631)]