9839420

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4871}}^1$

素因数の和:4981

約数の個数: 24

約数和(自身を含む): 20871648

約数和(自身を除く): 11032228

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 4871, 9742, 19484, 24355, 48710, 97420, 491971, 983942, 1967884, 2459855, 4919710, 9839420]

約数ペア:

[(1, 9839420), (2, 4919710), (4, 2459855), (5, 1967884), (10, 983942), (20, 491971), (101, 97420), (202, 48710), (404, 24355), (505, 19484), (1010, 9742), (2020, 4871)]