20091978

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{18919}}^1$

素因数の和:18986

約数の個数: 24

約数和(自身を含む): 44272800

約数和(自身を除く): 24180822

約数列:

[1, 2, 3, 6, 9, 18, 59, 118, 177, 354, 531, 1062, 18919, 37838, 56757, 113514, 170271, 340542, 1116221, 2232442, 3348663, 6697326, 10045989, 20091978]

約数ペア:

[(1, 20091978), (2, 10045989), (3, 6697326), (6, 3348663), (9, 2232442), (18, 1116221), (59, 340542), (118, 170271), (177, 113514), (354, 56757), (531, 37838), (1062, 18919)]