20486994

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{28219}}^1$

素因数の和:28246

約数の個数: 24

約数和(自身を含む): 45039120

約数和(自身を除く): 24552126

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 121, 242, 363, 726, 28219, 56438, 84657, 169314, 310409, 620818, 931227, 1862454, 3414499, 6828998, 10243497, 20486994]

約数ペア:

[(1, 20486994), (2, 10243497), (3, 6828998), (6, 3414499), (11, 1862454), (22, 931227), (33, 620818), (66, 310409), (121, 169314), (242, 84657), (363, 56438), (726, 28219)]