20605102

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{719}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 16719698

約数列:

[1, 2, 7, 14, 23, 46, 89, 161, 178, 322, 623, 719, 1246, 1438, 2047, 4094, 5033, 10066, 14329, 16537, 28658, 33074, 63991, 115759, 127982, 231518, 447937, 895874, 1471793, 2943586, 10302551, 20605102]

約数ペア:

[(1, 20605102), (2, 10302551), (7, 2943586), (14, 1471793), (23, 895874), (46, 447937), (89, 231518), (161, 127982), (178, 115759), (322, 63991), (623, 33074), (719, 28658), (1246, 16537), (1438, 14329), (2047, 10066), (4094, 5033)]