20195934717

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2252251}}^1$

素因数の和:2252329

約数の個数: 24

約数和(自身を含む): 31837834272

約数和(自身を除く): 11641899555

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 1281, 2989, 8967, 2252251, 6756753, 15765757, 47297271, 110360299, 137387311, 331080897, 412161933, 961711177, 2885133531, 6731978239, 20195934717]

約数ペア:

[(1, 20195934717), (3, 6731978239), (7, 2885133531), (21, 961711177), (49, 412161933), (61, 331080897), (147, 137387311), (183, 110360299), (427, 47297271), (1281, 15765757), (2989, 6756753), (8967, 2252251)]