20178984005

素因数分解:

$5^1\times {\mathrm{439}}^1\times {\mathrm{1459}}^1\times {\mathrm{6301}}^1$

素因数の和:8204

約数の個数: 16

約数和(自身を含む): 24290428800

約数和(自身を除く): 4111444795

約数列:

[1, 5, 439, 1459, 2195, 6301, 7295, 31505, 640501, 2766139, 3202505, 9193159, 13830695, 45965795, 4035796801, 20178984005]

約数ペア:

[(1, 20178984005), (5, 4035796801), (439, 45965795), (1459, 13830695), (2195, 9193159), (6301, 3202505), (7295, 2766139), (31505, 640501)]