20941140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31729}}^1$

素因数の和:31752

約数の個数: 48

約数和(自身を含む): 63967680

約数和(自身を除く): 43026540

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, 31729, 63458, 95187, 126916, 158645, 190374, 317290, 349019, 380748, 475935, 634580, 698038, 951870, 1047057, 1396076, 1745095, 1903740, 2094114, 3490190, 4188228, 5235285, 6980380, 10470570, 20941140]

約数ペア:

[(1, 20941140), (2, 10470570), (3, 6980380), (4, 5235285), (5, 4188228), (6, 3490190), (10, 2094114), (11, 1903740), (12, 1745095), (15, 1396076), (20, 1047057), (22, 951870), (30, 698038), (33, 634580), (44, 475935), (55, 380748), (60, 349019), (66, 317290), (110, 190374), (132, 158645), (165, 126916), (220, 95187), (330, 63458), (660, 31729)]