20371386

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13109}}^1$

素因数の和:13158

約数の個数: 32

約数和(自身を含む): 47825280

約数和(自身を除く): 27453894

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 13109, 26218, 39327, 78654, 91763, 183526, 275289, 485033, 550578, 970066, 1455099, 2910198, 3395231, 6790462, 10185693, 20371386]

約数ペア:

[(1, 20371386), (2, 10185693), (3, 6790462), (6, 3395231), (7, 2910198), (14, 1455099), (21, 970066), (37, 550578), (42, 485033), (74, 275289), (111, 183526), (222, 91763), (259, 78654), (518, 39327), (777, 26218), (1554, 13109)]