20626438

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{77543}}^1$

素因数の和:77571

約数の個数: 16

約数和(自身を含む): 37221120

約数和(自身を除く): 16594682

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 77543, 155086, 542801, 1085602, 1473317, 2946634, 10313219, 20626438]

約数ペア:

[(1, 20626438), (2, 10313219), (7, 2946634), (14, 1473317), (19, 1085602), (38, 542801), (133, 155086), (266, 77543)]