23942020

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{2399}}^1$

素因数の和:2907

約数の個数: 24

約数和(自身を含む): 50400000

約数和(自身を除く): 26457980

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2399, 2495, 4798, 4990, 9596, 9980, 11995, 23990, 47980, 1197101, 2394202, 4788404, 5985505, 11971010, 23942020]

約数ペア:

[(1, 23942020), (2, 11971010), (4, 5985505), (5, 4788404), (10, 2394202), (20, 1197101), (499, 47980), (998, 23990), (1996, 11995), (2399, 9980), (2495, 9596), (4798, 4990)]