20199541690

素因数分解:

$2^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{7188449}}^1$

素因数の和:7188737

約数の個数: 16

約数和(自身を含む): 36488572200

約数和(自身を除く): 16289030510

約数列:

[1, 2, 5, 10, 281, 562, 1405, 2810, 7188449, 14376898, 35942245, 71884490, 2019954169, 4039908338, 10099770845, 20199541690]

約数ペア:

[(1, 20199541690), (2, 10099770845), (5, 4039908338), (10, 2019954169), (281, 71884490), (562, 35942245), (1405, 14376898), (2810, 7188449)]