20308155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{719}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 17016645

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 269, 719, 807, 1345, 1883, 2157, 3595, 4035, 5033, 5649, 9415, 10785, 15099, 25165, 28245, 75495, 193411, 580233, 967055, 1353877, 2901165, 4061631, 6769385, 20308155]

約数ペア:

[(1, 20308155), (3, 6769385), (5, 4061631), (7, 2901165), (15, 1353877), (21, 967055), (35, 580233), (105, 193411), (269, 75495), (719, 28245), (807, 25165), (1345, 15099), (1883, 10785), (2157, 9415), (3595, 5649), (4035, 5033)]