20301554

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{337}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 37704576

約数和(自身を除く): 17403022

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 331, 337, 662, 674, 2317, 2359, 4303, 4381, 4634, 4718, 8606, 8762, 30121, 30667, 60242, 61334, 111547, 223094, 780829, 1450111, 1561658, 2900222, 10150777, 20301554]

約数ペア:

[(1, 20301554), (2, 10150777), (7, 2900222), (13, 1561658), (14, 1450111), (26, 780829), (91, 223094), (182, 111547), (331, 61334), (337, 60242), (662, 30667), (674, 30121), (2317, 8762), (2359, 8606), (4303, 4718), (4381, 4634)]