20656312

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 39942720

約数和(自身を除く): 19286408

約数列:

[1, 2, 4, 8, 47, 94, 137, 188, 274, 376, 401, 548, 802, 1096, 1604, 3208, 6439, 12878, 18847, 25756, 37694, 51512, 54937, 75388, 109874, 150776, 219748, 439496, 2582039, 5164078, 10328156, 20656312]

約数ペア:

[(1, 20656312), (2, 10328156), (4, 5164078), (8, 2582039), (47, 439496), (94, 219748), (137, 150776), (188, 109874), (274, 75388), (376, 54937), (401, 51512), (548, 37694), (802, 25756), (1096, 18847), (1604, 12878), (3208, 6439)]