20300080

素因数分解:

$2^4\times 5^1\times {\mathrm{253751}}^1$

素因数の和:253764

約数の個数: 20

約数和(自身を含む): 47197872

約数和(自身を除く): 26897792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 253751, 507502, 1015004, 1268755, 2030008, 2537510, 4060016, 5075020, 10150040, 20300080]

約数ペア:

[(1, 20300080), (2, 10150040), (4, 5075020), (5, 4060016), (8, 2537510), (10, 2030008), (16, 1268755), (20, 1015004), (40, 507502), (80, 253751)]