20551398

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6703}}^1$

素因数の和:6788

約数の個数: 32

約数和(自身を含む): 47625216

約数和(自身を除く): 27073818

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 146, 219, 438, 511, 1022, 1533, 3066, 6703, 13406, 20109, 40218, 46921, 93842, 140763, 281526, 489319, 978638, 1467957, 2935914, 3425233, 6850466, 10275699, 20551398]

約数ペア:

[(1, 20551398), (2, 10275699), (3, 6850466), (6, 3425233), (7, 2935914), (14, 1467957), (21, 978638), (42, 489319), (73, 281526), (146, 140763), (219, 93842), (438, 46921), (511, 40218), (1022, 20109), (1533, 13406), (3066, 6703)]