20715597

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8887}}^1$

素因数の和:8937

約数の個数: 24

約数和(自身を含む): 35125376

約数和(自身を除く): 14409779

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 8887, 26661, 62209, 79983, 186627, 328819, 559881, 986457, 2301733, 2959371, 6905199, 20715597]

約数ペア:

[(1, 20715597), (3, 6905199), (7, 2959371), (9, 2301733), (21, 986457), (37, 559881), (63, 328819), (111, 186627), (259, 79983), (333, 62209), (777, 26661), (2331, 8887)]