20898420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{348307}}^1$

素因数の和:348319

約数の個数: 24

約数和(自身を含む): 58515744

約数和(自身を除く): 37617324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 348307, 696614, 1044921, 1393228, 1741535, 2089842, 3483070, 4179684, 5224605, 6966140, 10449210, 20898420]

約数ペア:

[(1, 20898420), (2, 10449210), (3, 6966140), (4, 5224605), (5, 4179684), (6, 3483070), (10, 2089842), (12, 1741535), (15, 1393228), (20, 1044921), (30, 696614), (60, 348307)]