20736961

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6779}}^1$

素因数の和:6828

約数の個数: 16

約数和(自身を含む): 26035200

約数和(自身を除く): 5298239

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 6779, 47453, 128801, 155917, 901607, 1091419, 2962423, 20736961]

約数ペア:

[(1, 20736961), (7, 2962423), (19, 1091419), (23, 901607), (133, 155917), (161, 128801), (437, 47453), (3059, 6779)]