20217180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1511}}^1$

素因数の和:1746

約数の個数: 48

約数和(自身を含む): 56899584

約数和(自身を除く): 36682404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 223, 446, 669, 892, 1115, 1338, 1511, 2230, 2676, 3022, 3345, 4460, 4533, 6044, 6690, 7555, 9066, 13380, 15110, 18132, 22665, 30220, 45330, 90660, 336953, 673906, 1010859, 1347812, 1684765, 2021718, 3369530, 4043436, 5054295, 6739060, 10108590, 20217180]

約数ペア:

[(1, 20217180), (2, 10108590), (3, 6739060), (4, 5054295), (5, 4043436), (6, 3369530), (10, 2021718), (12, 1684765), (15, 1347812), (20, 1010859), (30, 673906), (60, 336953), (223, 90660), (446, 45330), (669, 30220), (892, 22665), (1115, 18132), (1338, 15110), (1511, 13380), (2230, 9066), (2676, 7555), (3022, 6690), (3345, 6044), (4460, 4533)]