20758049095

素因数分解:

$5^1\times 7^2\times {\mathrm{4519}}^1\times {\mathrm{18749}}^1$

素因数の和:23287

約数の個数: 24

約数和(自身を含む): 28984500000

約数和(自身を除く): 8226450905

約数列:

[1, 5, 7, 35, 49, 245, 4519, 18749, 22595, 31633, 93745, 131243, 158165, 221431, 656215, 918701, 1107155, 4593505, 84726731, 423633655, 593087117, 2965435585, 4151609819, 20758049095]

約数ペア:

[(1, 20758049095), (5, 4151609819), (7, 2965435585), (35, 593087117), (49, 423633655), (245, 84726731), (4519, 4593505), (18749, 1107155), (22595, 918701), (31633, 656215), (93745, 221431), (131243, 158165)]