20161749070

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4929523}}^1$

素因数の和:4929939

約数の個数: 16

約数和(自身を含む): 36379887120

約数和(自身を除く): 16218138050

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 4929523, 9859046, 24647615, 49295230, 2016174907, 4032349814, 10080874535, 20161749070]

約数ペア:

[(1, 20161749070), (2, 10080874535), (5, 4032349814), (10, 2016174907), (409, 49295230), (818, 24647615), (2045, 9859046), (4090, 4929523)]