20302160

素因数分解:

$2^4\times 5^1\times {\mathrm{253777}}^1$

素因数の和:253790

約数の個数: 20

約数和(自身を含む): 47202708

約数和(自身を除く): 26900548

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 253777, 507554, 1015108, 1268885, 2030216, 2537770, 4060432, 5075540, 10151080, 20302160]

約数ペア:

[(1, 20302160), (2, 10151080), (4, 5075540), (5, 4060432), (8, 2537770), (10, 2030216), (16, 1268885), (20, 1015108), (40, 507554), (80, 253777)]