20636008

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{773}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 40124160

約数和(自身を除く): 19488152

約数列:

[1, 2, 4, 8, 47, 71, 94, 142, 188, 284, 376, 568, 773, 1546, 3092, 3337, 6184, 6674, 13348, 26696, 36331, 54883, 72662, 109766, 145324, 219532, 290648, 439064, 2579501, 5159002, 10318004, 20636008]

約数ペア:

[(1, 20636008), (2, 10318004), (4, 5159002), (8, 2579501), (47, 439064), (71, 290648), (94, 219532), (142, 145324), (188, 109766), (284, 72662), (376, 54883), (568, 36331), (773, 26696), (1546, 13348), (3092, 6674), (3337, 6184)]