9819220

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4861}}^1$

素因数の和:4971

約数の個数: 24

約数和(自身を含む): 20828808

約数和(自身を除く): 11009588

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 4861, 9722, 19444, 24305, 48610, 97220, 490961, 981922, 1963844, 2454805, 4909610, 9819220]

約数ペア:

[(1, 9819220), (2, 4909610), (4, 2454805), (5, 1963844), (10, 981922), (20, 490961), (101, 97220), (202, 48610), (404, 24305), (505, 19444), (1010, 9722), (2020, 4861)]