13656020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4241}}^1$

素因数の和:4280

約数の個数: 48

約数和(自身を含む): 34207488

約数和(自身を除く): 20551468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 4241, 8482, 16964, 21205, 29687, 42410, 59374, 84820, 97543, 118748, 148435, 195086, 296870, 390172, 487715, 593740, 682801, 975430, 1365602, 1950860, 2731204, 3414005, 6828010, 13656020]

約数ペア:

[(1, 13656020), (2, 6828010), (4, 3414005), (5, 2731204), (7, 1950860), (10, 1365602), (14, 975430), (20, 682801), (23, 593740), (28, 487715), (35, 390172), (46, 296870), (70, 195086), (92, 148435), (115, 118748), (140, 97543), (161, 84820), (230, 59374), (322, 42410), (460, 29687), (644, 21205), (805, 16964), (1610, 8482), (3220, 4241)]