20624769

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1151}}^1$

素因数の和:1349

約数の個数: 24

約数和(自身を含む): 32707584

約数和(自身を除く): 12082815

約数列:

[1, 3, 9, 11, 33, 99, 181, 543, 1151, 1629, 1991, 3453, 5973, 10359, 12661, 17919, 37983, 113949, 208331, 624993, 1874979, 2291641, 6874923, 20624769]

約数ペア:

[(1, 20624769), (3, 6874923), (9, 2291641), (11, 1874979), (33, 624993), (99, 208331), (181, 113949), (543, 37983), (1151, 17919), (1629, 12661), (1991, 10359), (3453, 5973)]