20235521855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{370241}}^1$

素因数の和:370906

約数の個数: 16

約数和(自身を含む): 25751071584

約数和(自身を除く): 5515549729

約数列:

[1, 5, 17, 85, 643, 3215, 10931, 54655, 370241, 1851205, 6294097, 31470485, 238064963, 1190324815, 4047104371, 20235521855]

約数ペア:

[(1, 20235521855), (5, 4047104371), (17, 1190324815), (85, 238064963), (643, 31470485), (3215, 6294097), (10931, 1851205), (54655, 370241)]