20704905

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35393}}^1$

素因数の和:35417

約数の個数: 24

約数和(自身を含む): 38650248

約数和(自身を除く): 17945343

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 35393, 106179, 176965, 318537, 460109, 530895, 1380327, 1592685, 2300545, 4140981, 6901635, 20704905]

約数ペア:

[(1, 20704905), (3, 6901635), (5, 4140981), (9, 2300545), (13, 1592685), (15, 1380327), (39, 530895), (45, 460109), (65, 318537), (117, 176965), (195, 106179), (585, 35393)]