20196194864

素因数分解:

$2^4\times {\mathrm{2521}}^1\times {\mathrm{500699}}^1$

素因数の和:503228

約数の個数: 20

約数和(自身を含む): 39145727400

約数和(自身を除く): 18949532536

約数列:

[1, 2, 4, 8, 16, 2521, 5042, 10084, 20168, 40336, 500699, 1001398, 2002796, 4005592, 8011184, 1262262179, 2524524358, 5049048716, 10098097432, 20196194864]

約数ペア:

[(1, 20196194864), (2, 10098097432), (4, 5049048716), (8, 2524524358), (16, 1262262179), (2521, 8011184), (5042, 4005592), (10084, 2002796), (20168, 1001398), (40336, 500699)]