20122810

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{69389}}^1$

素因数の和:69425

約数の個数: 16

約数和(自身を含む): 37470600

約数和(自身を除く): 17347790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 69389, 138778, 346945, 693890, 2012281, 4024562, 10061405, 20122810]

約数ペア:

[(1, 20122810), (2, 10061405), (5, 4024562), (10, 2012281), (29, 693890), (58, 346945), (145, 138778), (290, 69389)]