20149864

素因数分解:

$2^3\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1031}}^1$

素因数の和:1393

約数の個数: 32

約数和(自身を含む): 43344000

約数和(自身を除く): 23194136

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 349, 698, 1031, 1396, 2062, 2443, 2792, 4124, 4886, 7217, 8248, 9772, 14434, 19544, 28868, 57736, 359819, 719638, 1439276, 2518733, 2878552, 5037466, 10074932, 20149864]

約数ペア:

[(1, 20149864), (2, 10074932), (4, 5037466), (7, 2878552), (8, 2518733), (14, 1439276), (28, 719638), (56, 359819), (349, 57736), (698, 28868), (1031, 19544), (1396, 14434), (2062, 9772), (2443, 8248), (2792, 7217), (4124, 4886)]