20484238

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{811}}^1$

素因数の和:1059

約数の個数: 16

約数和(自身を含む): 31365936

約数和(自身を除く): 10881698

約数列:

[1, 2, 73, 146, 173, 346, 811, 1622, 12629, 25258, 59203, 118406, 140303, 280606, 10242119, 20484238]

約数ペア:

[(1, 20484238), (2, 10242119), (73, 280606), (146, 140303), (173, 118406), (346, 59203), (811, 25258), (1622, 12629)]