20302605

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5711}}^1$

素因数の和:5801

約数の個数: 24

約数和(自身を含む): 35642880

約数和(自身を除く): 15340275

約数列:

[1, 3, 5, 9, 15, 45, 79, 237, 395, 711, 1185, 3555, 5711, 17133, 28555, 51399, 85665, 256995, 451169, 1353507, 2255845, 4060521, 6767535, 20302605]

約数ペア:

[(1, 20302605), (3, 6767535), (5, 4060521), (9, 2255845), (15, 1353507), (45, 451169), (79, 256995), (237, 85665), (395, 51399), (711, 28555), (1185, 17133), (3555, 5711)]