20048008

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 38604960

約数和(自身を除く): 18556952

約数列:

[1, 2, 4, 8, 67, 113, 134, 226, 268, 331, 452, 536, 662, 904, 1324, 2648, 7571, 15142, 22177, 30284, 37403, 44354, 60568, 74806, 88708, 149612, 177416, 299224, 2506001, 5012002, 10024004, 20048008]

約数ペア:

[(1, 20048008), (2, 10024004), (4, 5012002), (8, 2506001), (67, 299224), (113, 177416), (134, 149612), (226, 88708), (268, 74806), (331, 60568), (452, 44354), (536, 37403), (662, 30284), (904, 22177), (1324, 15142), (2648, 7571)]