20513466

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{10267}}^1$

素因数の和:10315

約数の個数: 32

約数和(自身を含む): 46822080

約数和(自身を除く): 26308614

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 10267, 20534, 30801, 61602, 92403, 184806, 277209, 379879, 554418, 759758, 1139637, 2279274, 3418911, 6837822, 10256733, 20513466]

約数ペア:

[(1, 20513466), (2, 10256733), (3, 6837822), (6, 3418911), (9, 2279274), (18, 1139637), (27, 759758), (37, 554418), (54, 379879), (74, 277209), (111, 184806), (222, 92403), (333, 61602), (666, 30801), (999, 20534), (1998, 10267)]