20218757330

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28477123}}^1$

素因数の和:28477201

約数の個数: 16

約数和(自身を含む): 36906352704

約数和(自身を除く): 16687595374

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28477123, 56954246, 142385615, 284771230, 2021875733, 4043751466, 10109378665, 20218757330]

約数ペア:

[(1, 20218757330), (2, 10109378665), (5, 4043751466), (10, 2021875733), (71, 284771230), (142, 142385615), (355, 56954246), (710, 28477123)]