66770420

素因数分解:

$2^2\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{2851}}^1$

素因数の和:4031

約数の個数: 24

約数和(自身を含む): 140386848

約数和(自身を除く): 73616428

約数列:

[1, 2, 4, 5, 10, 20, 1171, 2342, 2851, 4684, 5702, 5855, 11404, 11710, 14255, 23420, 28510, 57020, 3338521, 6677042, 13354084, 16692605, 33385210, 66770420]

約数ペア:

[(1, 66770420), (2, 33385210), (4, 16692605), (5, 13354084), (10, 6677042), (20, 3338521), (1171, 57020), (2342, 28510), (2851, 23420), (4684, 14255), (5702, 11710), (5855, 11404)]