20524695

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{80489}}^1$

素因数の和:80514

約数の個数: 16

約数和(自身を含む): 34771680

約数和(自身を除く): 14246985

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 80489, 241467, 402445, 1207335, 1368313, 4104939, 6841565, 20524695]

約数ペア:

[(1, 20524695), (3, 6841565), (5, 4104939), (15, 1368313), (17, 1207335), (51, 402445), (85, 241467), (255, 80489)]