20470571

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{347}}^1$

素因数の和:562

約数の個数: 16

約数和(自身を含む): 23251968

約数和(自身を除く): 2781397

約数列:

[1, 11, 31, 173, 341, 347, 1903, 3817, 5363, 10757, 58993, 60031, 118327, 660341, 1860961, 20470571]

約数ペア:

[(1, 20470571), (11, 1860961), (31, 660341), (173, 118327), (341, 60031), (347, 58993), (1903, 10757), (3817, 5363)]