20801095

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{7523}}^1$

素因数の和:7614

約数の個数: 16

約数和(自身を含む): 28892160

約数和(自身を除く): 8091065

約数列:

[1, 5, 7, 35, 79, 395, 553, 2765, 7523, 37615, 52661, 263305, 594317, 2971585, 4160219, 20801095]

約数ペア:

[(1, 20801095), (5, 4160219), (7, 2971585), (35, 594317), (79, 263305), (395, 52661), (553, 37615), (2765, 7523)]