20187954059

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{653}}^1\times {\mathrm{14771}}^1$

素因数の和:15467

約数の個数: 32

約数和(自身を含む): 25968466944

約数和(自身を除く): 5780512885

約数列:

[1, 7, 13, 23, 91, 161, 299, 653, 2093, 4571, 8489, 14771, 15019, 59423, 103397, 105133, 192023, 195247, 339733, 1344161, 1366729, 2378131, 4416529, 9645463, 30915703, 67518241, 125391019, 221845649, 877737133, 1552919543, 2883993437, 20187954059]

約数ペア:

[(1, 20187954059), (7, 2883993437), (13, 1552919543), (23, 877737133), (91, 221845649), (161, 125391019), (299, 67518241), (653, 30915703), (2093, 9645463), (4571, 4416529), (8489, 2378131), (14771, 1366729), (15019, 1344161), (59423, 339733), (103397, 195247), (105133, 192023)]