20290010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9181}}^1$

素因数の和:9218

約数の個数: 32

約数和(自身を含む): 41649552

約数和(自身を除く): 21359542

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 9181, 18362, 45905, 91810, 119353, 156077, 238706, 312154, 596765, 780385, 1193530, 1560770, 2029001, 4058002, 10145005, 20290010]

約数ペア:

[(1, 20290010), (2, 10145005), (5, 4058002), (10, 2029001), (13, 1560770), (17, 1193530), (26, 780385), (34, 596765), (65, 312154), (85, 238706), (130, 156077), (170, 119353), (221, 91810), (442, 45905), (1105, 18362), (2210, 9181)]