20315955

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{123127}}^1$

素因数の和:123146

約数の個数: 16

約数和(自身を含む): 35460864

約数和(自身を除く): 15144909

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 123127, 369381, 615635, 1354397, 1846905, 4063191, 6771985, 20315955]

約数ペア:

[(1, 20315955), (3, 6771985), (5, 4063191), (11, 1846905), (15, 1354397), (33, 615635), (55, 369381), (165, 123127)]