20663691

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{1451}}^1$

素因数の和:1602

約数の個数: 16

約数和(自身を含む): 28435968

約数和(自身を除く): 7772277

約数列:

[1, 3, 47, 101, 141, 303, 1451, 4353, 4747, 14241, 68197, 146551, 204591, 439653, 6887897, 20663691]

約数ペア:

[(1, 20663691), (3, 6887897), (47, 439653), (101, 204591), (141, 146551), (303, 68197), (1451, 14241), (4353, 4747)]