22720390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1553}}^1$

素因数の和:1597

約数の個数: 64

約数和(自身を含む): 53706240

約数和(自身を除く): 30985850

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 77, 95, 110, 133, 154, 190, 209, 266, 385, 418, 665, 770, 1045, 1330, 1463, 1553, 2090, 2926, 3106, 7315, 7765, 10871, 14630, 15530, 17083, 21742, 29507, 34166, 54355, 59014, 85415, 108710, 119581, 147535, 170830, 206549, 239162, 295070, 324577, 413098, 597905, 649154, 1032745, 1195810, 1622885, 2065490, 2272039, 3245770, 4544078, 11360195, 22720390]

約数ペア:

[(1, 22720390), (2, 11360195), (5, 4544078), (7, 3245770), (10, 2272039), (11, 2065490), (14, 1622885), (19, 1195810), (22, 1032745), (35, 649154), (38, 597905), (55, 413098), (70, 324577), (77, 295070), (95, 239162), (110, 206549), (133, 170830), (154, 147535), (190, 119581), (209, 108710), (266, 85415), (385, 59014), (418, 54355), (665, 34166), (770, 29507), (1045, 21742), (1330, 17083), (1463, 15530), (1553, 14630), (2090, 10871), (2926, 7765), (3106, 7315)]