20608155

素因数分解:

$3^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{521}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 36832320

約数和(自身を除く): 16224165

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 293, 521, 879, 1465, 1563, 2605, 2637, 4395, 4689, 7815, 7911, 13185, 14067, 23445, 39555, 70335, 152653, 457959, 763265, 1373877, 2289795, 4121631, 6869385, 20608155]

約数ペア:

[(1, 20608155), (3, 6869385), (5, 4121631), (9, 2289795), (15, 1373877), (27, 763265), (45, 457959), (135, 152653), (293, 70335), (521, 39555), (879, 23445), (1465, 14067), (1563, 13185), (2605, 7911), (2637, 7815), (4395, 4689)]