20271398

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{3391}}^1$

素因数の和:3468

約数の個数: 24

約数和(自身を含む): 35961984

約数和(自身を除く): 15690586

約数列:

[1, 2, 7, 14, 49, 61, 98, 122, 427, 854, 2989, 3391, 5978, 6782, 23737, 47474, 166159, 206851, 332318, 413702, 1447957, 2895914, 10135699, 20271398]

約数ペア:

[(1, 20271398), (2, 10135699), (7, 2895914), (14, 1447957), (49, 413702), (61, 332318), (98, 206851), (122, 166159), (427, 47474), (854, 23737), (2989, 6782), (3391, 5978)]