20423196

素因数分解:

$2^2\times 3^2\times {\mathrm{691}}^1\times {\mathrm{821}}^1$

素因数の和:1522

約数の個数: 36

約数和(自身を含む): 51762984

約数和(自身を除く): 31339788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 691, 821, 1382, 1642, 2073, 2463, 2764, 3284, 4146, 4926, 6219, 7389, 8292, 9852, 12438, 14778, 24876, 29556, 567311, 1134622, 1701933, 2269244, 3403866, 5105799, 6807732, 10211598, 20423196]

約数ペア:

[(1, 20423196), (2, 10211598), (3, 6807732), (4, 5105799), (6, 3403866), (9, 2269244), (12, 1701933), (18, 1134622), (36, 567311), (691, 29556), (821, 24876), (1382, 14778), (1642, 12438), (2073, 9852), (2463, 8292), (2764, 7389), (3284, 6219), (4146, 4926)]