20796328

素因数分解:

$2^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3407}}^1$

素因数の和:3529

約数の個数: 32

約数和(自身を含む): 44985600

約数和(自身を除く): 24189272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 109, 218, 436, 763, 872, 1526, 3052, 3407, 6104, 6814, 13628, 23849, 27256, 47698, 95396, 190792, 371363, 742726, 1485452, 2599541, 2970904, 5199082, 10398164, 20796328]

約数ペア:

[(1, 20796328), (2, 10398164), (4, 5199082), (7, 2970904), (8, 2599541), (14, 1485452), (28, 742726), (56, 371363), (109, 190792), (218, 95396), (436, 47698), (763, 27256), (872, 23849), (1526, 13628), (3052, 6814), (3407, 6104)]