20680808

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{22877}}^1$

素因数の和:22996

約数の個数: 16

約数和(自身を含む): 39121380

約数和(自身を除く): 18440572

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 22877, 45754, 91508, 183016, 2585101, 5170202, 10340404, 20680808]

約数ペア:

[(1, 20680808), (2, 10340404), (4, 5170202), (8, 2585101), (113, 183016), (226, 91508), (452, 45754), (904, 22877)]