20187145430

素因数分解:

$2^1\times 5^1\times {\mathrm{4513}}^1\times {\mathrm{447311}}^1$

素因数の和:451831

約数の個数: 16

約数和(自身を含む): 36344994624

約数和(自身を除く): 16157849194

約数列:

[1, 2, 5, 10, 4513, 9026, 22565, 45130, 447311, 894622, 2236555, 4473110, 2018714543, 4037429086, 10093572715, 20187145430]

約数ペア:

[(1, 20187145430), (2, 10093572715), (5, 4037429086), (10, 2018714543), (4513, 4473110), (9026, 2236555), (22565, 894622), (45130, 447311)]