2020774900

素因数分解:

$2^2\times 5^2\times {\mathrm{20207749}}^1$

素因数の和:20207763

約数の個数: 18

約数和(自身を含む): 4385081750

約数和(自身を除く): 2364306850

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 20207749, 40415498, 80830996, 101038745, 202077490, 404154980, 505193725, 1010387450, 2020774900]

約数ペア:

[(1, 2020774900), (2, 1010387450), (4, 505193725), (5, 404154980), (10, 202077490), (20, 101038745), (25, 80830996), (50, 40415498), (100, 20207749)]