20121870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{670729}}^1$

素因数の和:670739

約数の個数: 16

約数和(自身を含む): 48292560

約数和(自身を除く): 28170690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 670729, 1341458, 2012187, 3353645, 4024374, 6707290, 10060935, 20121870]

約数ペア:

[(1, 20121870), (2, 10060935), (3, 6707290), (5, 4024374), (6, 3353645), (10, 2012187), (15, 1341458), (30, 670729)]