20709585

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35401}}^1$

素因数の和:35425

約数の個数: 24

約数和(自身を含む): 38658984

約数和(自身を除く): 17949399

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 35401, 106203, 177005, 318609, 460213, 531015, 1380639, 1593045, 2301065, 4141917, 6903195, 20709585]

約数ペア:

[(1, 20709585), (3, 6903195), (5, 4141917), (9, 2301065), (13, 1593045), (15, 1380639), (39, 531015), (45, 460213), (65, 318609), (117, 177005), (195, 106203), (585, 35401)]