20390796

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{10687}}^1$

素因数の和:10750

約数の個数: 36

約数和(自身を含む): 52520832

約数和(自身を除く): 32130036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 10687, 21374, 32061, 42748, 64122, 96183, 128244, 192366, 384732, 566411, 1132822, 1699233, 2265644, 3398466, 5097699, 6796932, 10195398, 20390796]

約数ペア:

[(1, 20390796), (2, 10195398), (3, 6796932), (4, 5097699), (6, 3398466), (9, 2265644), (12, 1699233), (18, 1132822), (36, 566411), (53, 384732), (106, 192366), (159, 128244), (212, 96183), (318, 64122), (477, 42748), (636, 32061), (954, 21374), (1908, 10687)]