20565570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{685519}}^1$

素因数の和:685529

約数の個数: 16

約数和(自身を含む): 49357440

約数和(自身を除く): 28791870

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 685519, 1371038, 2056557, 3427595, 4113114, 6855190, 10282785, 20565570]

約数ペア:

[(1, 20565570), (2, 10282785), (3, 6855190), (5, 4113114), (6, 3427595), (10, 2056557), (15, 1371038), (30, 685519)]