20804110

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{15881}}^1$

素因数の和:16019

約数の個数: 16

約数和(自身を含む): 37735632

約数和(自身を除く): 16931522

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 15881, 31762, 79405, 158810, 2080411, 4160822, 10402055, 20804110]

約数ペア:

[(1, 20804110), (2, 10402055), (5, 4160822), (10, 2080411), (131, 158810), (262, 79405), (655, 31762), (1310, 15881)]