20786755

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2719}}^1$

素因数の和:2874

約数の個数: 16

約数和(自身を含む): 27417600

約数和(自身を除く): 6630845

約数列:

[1, 5, 11, 55, 139, 695, 1529, 2719, 7645, 13595, 29909, 149545, 377941, 1889705, 4157351, 20786755]

約数ペア:

[(1, 20786755), (5, 4157351), (11, 1889705), (55, 377941), (139, 149545), (695, 29909), (1529, 13595), (2719, 7645)]