20898438

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{7723}}^1$

素因数の和:7780

約数の個数: 32

約数和(自身を含む): 46714752

約数和(自身を除く): 25816314

約数列:

[1, 2, 3, 6, 11, 22, 33, 41, 66, 82, 123, 246, 451, 902, 1353, 2706, 7723, 15446, 23169, 46338, 84953, 169906, 254859, 316643, 509718, 633286, 949929, 1899858, 3483073, 6966146, 10449219, 20898438]

約数ペア:

[(1, 20898438), (2, 10449219), (3, 6966146), (6, 3483073), (11, 1899858), (22, 949929), (33, 633286), (41, 509718), (66, 316643), (82, 254859), (123, 169906), (246, 84953), (451, 46338), (902, 23169), (1353, 15446), (2706, 7723)]