20846060

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1621}}^1$

素因数の和:2273

約数の個数: 24

約数和(自身を含む): 43871856

約数和(自身を除く): 23025796

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 1621, 2572, 3215, 3242, 6430, 6484, 8105, 12860, 16210, 32420, 1042303, 2084606, 4169212, 5211515, 10423030, 20846060]

約数ペア:

[(1, 20846060), (2, 10423030), (4, 5211515), (5, 4169212), (10, 2084606), (20, 1042303), (643, 32420), (1286, 16210), (1621, 12860), (2572, 8105), (3215, 6484), (3242, 6430)]