20878348

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{2087}}^1$

素因数の和:2193

約数の個数: 24

約数和(自身を含む): 38060064

約数和(自身を除く): 17181716

約数列:

[1, 2, 4, 41, 61, 82, 122, 164, 244, 2087, 2501, 4174, 5002, 8348, 10004, 85567, 127307, 171134, 254614, 342268, 509228, 5219587, 10439174, 20878348]

約数ペア:

[(1, 20878348), (2, 10439174), (4, 5219587), (41, 509228), (61, 342268), (82, 254614), (122, 171134), (164, 127307), (244, 85567), (2087, 10004), (2501, 8348), (4174, 5002)]