20640950169

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3424747}}^1$

素因数の和:3424805

約数の個数: 24

約数和(自身を含む): 32795386848

約数和(自身を除く): 12154436679

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 6027, 3424747, 10274241, 23973229, 71919687, 140414627, 167812603, 421243881, 503437809, 982902389, 2948707167, 6880316723, 20640950169]

約数ペア:

[(1, 20640950169), (3, 6880316723), (7, 2948707167), (21, 982902389), (41, 503437809), (49, 421243881), (123, 167812603), (147, 140414627), (287, 71919687), (861, 23973229), (2009, 10274241), (6027, 3424747)]