20189099478

素因数分解:

$2^1\times 3^1\times {\mathrm{163}}^1\times {\mathrm{20643251}}^1$

素因数の和:20643419

約数の個数: 16

約数和(自身を含む): 40625919936

約数和(自身を除く): 20436820458

約数列:

[1, 2, 3, 6, 163, 326, 489, 978, 20643251, 41286502, 61929753, 123859506, 3364849913, 6729699826, 10094549739, 20189099478]

約数ペア:

[(1, 20189099478), (2, 10094549739), (3, 6729699826), (6, 3364849913), (163, 123859506), (326, 61929753), (489, 41286502), (978, 20643251)]