20040118

素因数分解:

$2^1\times 7^3\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 15441482

約数列:

[1, 2, 7, 14, 49, 98, 131, 223, 262, 343, 446, 686, 917, 1561, 1834, 3122, 6419, 10927, 12838, 21854, 29213, 44933, 58426, 76489, 89866, 152978, 204491, 408982, 1431437, 2862874, 10020059, 20040118]

約数ペア:

[(1, 20040118), (2, 10020059), (7, 2862874), (14, 1431437), (49, 408982), (98, 204491), (131, 152978), (223, 89866), (262, 76489), (343, 58426), (446, 44933), (686, 29213), (917, 21854), (1561, 12838), (1834, 10927), (3122, 6419)]