20730120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{172751}}^1$

素因数の和:172765

約数の個数: 32

約数和(自身を含む): 62190720

約数和(自身を除く): 41460600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 172751, 345502, 518253, 691004, 863755, 1036506, 1382008, 1727510, 2073012, 2591265, 3455020, 4146024, 5182530, 6910040, 10365060, 20730120]

約数ペア:

[(1, 20730120), (2, 10365060), (3, 6910040), (4, 5182530), (5, 4146024), (6, 3455020), (8, 2591265), (10, 2073012), (12, 1727510), (15, 1382008), (20, 1036506), (24, 863755), (30, 691004), (40, 518253), (60, 345502), (120, 172751)]