2042220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{337}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 5791968

約数和(自身を除く): 3749748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 337, 404, 505, 606, 674, 1010, 1011, 1212, 1348, 1515, 1685, 2020, 2022, 3030, 3370, 4044, 5055, 6060, 6740, 10110, 20220, 34037, 68074, 102111, 136148, 170185, 204222, 340370, 408444, 510555, 680740, 1021110, 2042220]

約数ペア:

[(1, 2042220), (2, 1021110), (3, 680740), (4, 510555), (5, 408444), (6, 340370), (10, 204222), (12, 170185), (15, 136148), (20, 102111), (30, 68074), (60, 34037), (101, 20220), (202, 10110), (303, 6740), (337, 6060), (404, 5055), (505, 4044), (606, 3370), (674, 3030), (1010, 2022), (1011, 2020), (1212, 1685), (1348, 1515)]