20985153604

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{2939}}^1\times {\mathrm{41513}}^1$

素因数の和:44499

約数の個数: 24

約数和(自身を含む): 37591757280

約数和(自身を除く): 16606603676

約数列:

[1, 2, 4, 43, 86, 172, 2939, 5878, 11756, 41513, 83026, 126377, 166052, 252754, 505508, 1785059, 3570118, 7140236, 122006707, 244013414, 488026828, 5246288401, 10492576802, 20985153604]

約数ペア:

[(1, 20985153604), (2, 10492576802), (4, 5246288401), (43, 488026828), (86, 244013414), (172, 122006707), (2939, 7140236), (5878, 3570118), (11756, 1785059), (41513, 505508), (83026, 252754), (126377, 166052)]