20010488

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{1009}}^1$

素因数の和:1119

約数の個数: 32

約数和(自身を含む): 39147600

約数和(自身を除く): 19137112

約数列:

[1, 2, 4, 8, 37, 67, 74, 134, 148, 268, 296, 536, 1009, 2018, 2479, 4036, 4958, 8072, 9916, 19832, 37333, 67603, 74666, 135206, 149332, 270412, 298664, 540824, 2501311, 5002622, 10005244, 20010488]

約数ペア:

[(1, 20010488), (2, 10005244), (4, 5002622), (8, 2501311), (37, 540824), (67, 298664), (74, 270412), (134, 149332), (148, 135206), (268, 74666), (296, 67603), (536, 37333), (1009, 19832), (2018, 9916), (2479, 8072), (4036, 4958)]