20986326

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{31511}}^1$

素因数の和:31556

約数の個数: 24

約数和(自身を含む): 46700784

約数和(自身を除く): 25714458

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 31511, 63022, 94533, 189066, 283599, 567198, 1165907, 2331814, 3497721, 6995442, 10493163, 20986326]

約数ペア:

[(1, 20986326), (2, 10493163), (3, 6995442), (6, 3497721), (9, 2331814), (18, 1165907), (37, 567198), (74, 283599), (111, 189066), (222, 94533), (333, 63022), (666, 31511)]