20098760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2687}}^1$

素因数の和:2726

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 32155960

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 2687, 3740, 5374, 7480, 10748, 13435, 21496, 26870, 29557, 45679, 53740, 59114, 91358, 107480, 118228, 147785, 182716, 228395, 236456, 295570, 365432, 456790, 502469, 591140, 913580, 1004938, 1182280, 1827160, 2009876, 2512345, 4019752, 5024690, 10049380, 20098760]

約数ペア:

[(1, 20098760), (2, 10049380), (4, 5024690), (5, 4019752), (8, 2512345), (10, 2009876), (11, 1827160), (17, 1182280), (20, 1004938), (22, 913580), (34, 591140), (40, 502469), (44, 456790), (55, 365432), (68, 295570), (85, 236456), (88, 228395), (110, 182716), (136, 147785), (170, 118228), (187, 107480), (220, 91358), (340, 59114), (374, 53740), (440, 45679), (680, 29557), (748, 26870), (935, 21496), (1496, 13435), (1870, 10748), (2687, 7480), (3740, 5374)]