20741545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2531}}^1$

素因数の和:2696

約数の個数: 16

約数和(自身を含む): 27345600

約数和(自身を除く): 6604055

約数列:

[1, 5, 11, 55, 149, 745, 1639, 2531, 8195, 12655, 27841, 139205, 377119, 1885595, 4148309, 20741545]

約数ペア:

[(1, 20741545), (5, 4148309), (11, 1885595), (55, 377119), (149, 139205), (745, 27841), (1639, 12655), (2531, 8195)]