20617605

素因数分解:

$3^3\times 5^1\times {\mathrm{152723}}^1$

素因数の和:152737

約数の個数: 16

約数和(自身を含む): 36653760

約数和(自身を除く): 16036155

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 152723, 458169, 763615, 1374507, 2290845, 4123521, 6872535, 20617605]

約数ペア:

[(1, 20617605), (3, 6872535), (5, 4123521), (9, 2290845), (15, 1374507), (27, 763615), (45, 458169), (135, 152723)]