20691870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{6829}}^1$

素因数の和:6940

約数の個数: 32

約数和(自身を含む): 50159520

約数和(自身を除く): 29467650

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 101, 202, 303, 505, 606, 1010, 1515, 3030, 6829, 13658, 20487, 34145, 40974, 68290, 102435, 204870, 689729, 1379458, 2069187, 3448645, 4138374, 6897290, 10345935, 20691870]

約数ペア:

[(1, 20691870), (2, 10345935), (3, 6897290), (5, 4138374), (6, 3448645), (10, 2069187), (15, 1379458), (30, 689729), (101, 204870), (202, 102435), (303, 68290), (505, 40974), (606, 34145), (1010, 20487), (1515, 13658), (3030, 6829)]