20212560011

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{725687}}^1$

素因数の和:725890

約数の個数: 16

約数和(自身を含む): 24243784704

約数和(自身を除く): 4031224693

約数列:

[1, 7, 23, 161, 173, 1211, 3979, 27853, 725687, 5079809, 16690801, 116835607, 125543851, 878806957, 2887508573, 20212560011]

約数ペア:

[(1, 20212560011), (7, 2887508573), (23, 878806957), (161, 125543851), (173, 116835607), (1211, 16690801), (3979, 5079809), (27853, 725687)]