20803768

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{1049}}^1$

素因数の和:1159

約数の個数: 32

約数和(自身を含む): 40698000

約数和(自身を除く): 19894232

約数列:

[1, 2, 4, 8, 37, 67, 74, 134, 148, 268, 296, 536, 1049, 2098, 2479, 4196, 4958, 8392, 9916, 19832, 38813, 70283, 77626, 140566, 155252, 281132, 310504, 562264, 2600471, 5200942, 10401884, 20803768]

約数ペア:

[(1, 20803768), (2, 10401884), (4, 5200942), (8, 2600471), (37, 562264), (67, 310504), (74, 281132), (134, 155252), (148, 140566), (268, 77626), (296, 70283), (536, 38813), (1049, 19832), (2098, 9916), (2479, 8392), (4196, 4958)]