20189960525

素因数分解:

$5^2\times 7^1\times {\mathrm{887}}^1\times {\mathrm{130069}}^1$

素因数の和:130973

約数の個数: 24

約数和(自身を含む): 28644535680

約数和(自身を除く): 8454575155

約数列:

[1, 5, 7, 25, 35, 175, 887, 4435, 6209, 22175, 31045, 130069, 155225, 650345, 910483, 3251725, 4552415, 22762075, 115371203, 576856015, 807598421, 2884280075, 4037992105, 20189960525]

約数ペア:

[(1, 20189960525), (5, 4037992105), (7, 2884280075), (25, 807598421), (35, 576856015), (175, 115371203), (887, 22762075), (4435, 4552415), (6209, 3251725), (22175, 910483), (31045, 650345), (130069, 155225)]