20953701

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{10631}}^1$

素因数の和:10713

約数の個数: 16

約数和(自身を含む): 31470720

約数和(自身を除く): 10517019

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 10631, 31893, 95679, 287037, 776063, 2328189, 6984567, 20953701]

約数ペア:

[(1, 20953701), (3, 6984567), (9, 2328189), (27, 776063), (73, 287037), (219, 95679), (657, 31893), (1971, 10631)]