20213048425

素因数分解:

$5^2\times {\mathrm{4003}}^1\times {\mathrm{201979}}^1$

素因数の和:205992

約数の個数: 12

約数和(自身を含む): 25070565520

約数和(自身を除く): 4857517095

約数列:

[1, 5, 25, 4003, 20015, 100075, 201979, 1009895, 5049475, 808521937, 4042609685, 20213048425]

約数ペア:

[(1, 20213048425), (5, 4042609685), (25, 808521937), (4003, 5049475), (20015, 1009895), (100075, 201979)]