20187399717

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{4886807}}^1$

素因数の和:4886839

約数の個数: 24

約数和(自身を含む): 32018366016

約数和(自身を除く): 11830966299

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 4886807, 14660421, 43981263, 83075719, 131943789, 249227157, 395831367, 747681471, 1187494101, 2243044413, 6729133239, 20187399717]

約数ペア:

[(1, 20187399717), (3, 6729133239), (9, 2243044413), (17, 1187494101), (27, 747681471), (51, 395831367), (81, 249227157), (153, 131943789), (243, 83075719), (459, 43981263), (1377, 14660421), (4131, 4886807)]