20518441055

素因数分解:

$5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1147243}}^1$

素因数の和:1147335

約数の個数: 24

約数和(自身を含む): 29034451152

約数和(自身を除く): 8516010097

約数列:

[1, 5, 7, 35, 49, 73, 245, 365, 511, 2555, 3577, 17885, 1147243, 5736215, 8030701, 40153505, 56214907, 83748739, 281074535, 418743695, 586241173, 2931205865, 4103688211, 20518441055]

約数ペア:

[(1, 20518441055), (5, 4103688211), (7, 2931205865), (35, 586241173), (49, 418743695), (73, 281074535), (245, 83748739), (365, 56214907), (511, 40153505), (2555, 8030701), (3577, 5736215), (17885, 1147243)]