20525985

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{24007}}^1$

素因数の和:24037

約数の個数: 24

約数和(自身を含む): 37452480

約数和(自身を除く): 16926495

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 24007, 72021, 120035, 216063, 360105, 456133, 1080315, 1368399, 2280665, 4105197, 6841995, 20525985]

約数ペア:

[(1, 20525985), (3, 6841995), (5, 4105197), (9, 2280665), (15, 1368399), (19, 1080315), (45, 456133), (57, 360105), (95, 216063), (171, 120035), (285, 72021), (855, 24007)]