20210872

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{20879}}^1$

素因数の和:20907

約数の個数: 24

約数和(自身を含む): 41655600

約数和(自身を除く): 21444728

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 20879, 41758, 83516, 167032, 229669, 459338, 918676, 1837352, 2526359, 5052718, 10105436, 20210872]

約数ペア:

[(1, 20210872), (2, 10105436), (4, 5052718), (8, 2526359), (11, 1837352), (22, 918676), (44, 459338), (88, 229669), (121, 167032), (242, 83516), (484, 41758), (968, 20879)]