20146537915

素因数分解:

$5^1\times 7^2\times {\mathrm{523}}^1\times {\mathrm{157229}}^1$

素因数の和:157771

約数の個数: 24

約数和(自身を含む): 28176873840

約数和(自身を除く): 8030335925

約数列:

[1, 5, 7, 35, 49, 245, 523, 2615, 3661, 18305, 25627, 128135, 157229, 786145, 1100603, 5503015, 7704221, 38521105, 82230767, 411153835, 575615369, 2878076845, 4029307583, 20146537915]

約数ペア:

[(1, 20146537915), (5, 4029307583), (7, 2878076845), (35, 575615369), (49, 411153835), (245, 82230767), (523, 38521105), (2615, 7704221), (3661, 5503015), (18305, 1100603), (25627, 786145), (128135, 157229)]