2021498420

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{230239}}^1$

素因数の和:230687

約数の個数: 24

約数和(自身を含む): 4254835200

約数和(自身を除く): 2233336780

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 230239, 460478, 920956, 1151195, 2302390, 4604780, 101074921, 202149842, 404299684, 505374605, 1010749210, 2021498420]

約数ペア:

[(1, 2021498420), (2, 1010749210), (4, 505374605), (5, 404299684), (10, 202149842), (20, 101074921), (439, 4604780), (878, 2302390), (1756, 1151195), (2195, 920956), (4390, 460478), (8780, 230239)]