16666980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{25253}}^1$

素因数の和:25276

約数の個数: 48

約数和(自身を含む): 50912064

約数和(自身を除く): 34245084

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 25253, 50506, 75759, 101012, 126265, 151518, 252530, 277783, 303036, 378795, 505060, 555566, 757590, 833349, 1111132, 1388915, 1515180, 1666698, 2777830, 3333396, 4166745, 5555660, 8333490, 16666980]

約数ペア:

[(1, 16666980), (2, 8333490), (3, 5555660), (4, 4166745), (5, 3333396), (6, 2777830), (10, 1666698), (11, 1515180), (12, 1388915), (15, 1111132), (20, 833349), (22, 757590), (30, 555566), (33, 505060), (44, 378795), (55, 303036), (60, 277783), (66, 252530), (110, 151518), (132, 126265), (165, 101012), (220, 75759), (330, 50506), (660, 25253)]