20300290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{70001}}^1$

素因数の和:70037

約数の個数: 16

約数和(自身を含む): 37801080

約数和(自身を除く): 17500790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 70001, 140002, 350005, 700010, 2030029, 4060058, 10150145, 20300290]

約数ペア:

[(1, 20300290), (2, 10150145), (5, 4060058), (10, 2030029), (29, 700010), (58, 350005), (145, 140002), (290, 70001)]