20193776

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{11579}}^1$

素因数の和:11696

約数の個数: 20

約数和(自身を含む): 39487800

約数和(自身を除く): 19294024

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 11579, 23158, 46316, 92632, 185264, 1262111, 2524222, 5048444, 10096888, 20193776]

約数ペア:

[(1, 20193776), (2, 10096888), (4, 5048444), (8, 2524222), (16, 1262111), (109, 185264), (218, 92632), (436, 46316), (872, 23158), (1744, 11579)]