20189802025

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{2699}}^1\times {\mathrm{8087}}^1$

素因数の和:10833

約数の個数: 24

約数和(自身を含む): 25724692800

約数和(自身を除く): 5534890775

約数列:

[1, 5, 25, 37, 185, 925, 2699, 8087, 13495, 40435, 67475, 99863, 202175, 299219, 499315, 1496095, 2496575, 7480475, 21826813, 109134065, 545670325, 807592081, 4037960405, 20189802025]

約数ペア:

[(1, 20189802025), (5, 4037960405), (25, 807592081), (37, 545670325), (185, 109134065), (925, 21826813), (2699, 7480475), (8087, 2496575), (13495, 1496095), (40435, 499315), (67475, 299219), (99863, 202175)]