20319585

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9473}}^1$

素因数の和:9505

約数の個数: 32

約数和(自身を含む): 38199168

約数和(自身を除く): 17879583

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 9473, 28419, 47365, 104203, 123149, 142095, 312609, 369447, 521015, 615745, 1354639, 1563045, 1847235, 4063917, 6773195, 20319585]

約数ペア:

[(1, 20319585), (3, 6773195), (5, 4063917), (11, 1847235), (13, 1563045), (15, 1354639), (33, 615745), (39, 521015), (55, 369447), (65, 312609), (143, 142095), (165, 123149), (195, 104203), (429, 47365), (715, 28419), (2145, 9473)]