20199894001

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{505111}}^1$

素因数の和:505344

約数の個数: 16

約数和(自身を含む): 24002922240

約数和(自身を除く): 3803028239

約数列:

[1, 7, 29, 197, 203, 1379, 5713, 39991, 505111, 3535777, 14648219, 99506867, 102537533, 696548069, 2885699143, 20199894001]

約数ペア:

[(1, 20199894001), (7, 2885699143), (29, 696548069), (197, 102537533), (203, 99506867), (1379, 14648219), (5713, 3535777), (39991, 505111)]