66977420

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{3319}}^1$

素因数の和:4337

約数の個数: 24

約数和(自身を含む): 140834400

約数和(自身を除く): 73856980

約数列:

[1, 2, 4, 5, 10, 20, 1009, 2018, 3319, 4036, 5045, 6638, 10090, 13276, 16595, 20180, 33190, 66380, 3348871, 6697742, 13395484, 16744355, 33488710, 66977420]

約数ペア:

[(1, 66977420), (2, 33488710), (4, 16744355), (5, 13395484), (10, 6697742), (20, 3348871), (1009, 66380), (2018, 33190), (3319, 20180), (4036, 16595), (5045, 13276), (6638, 10090)]