20179683728

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30761713}}^1$

素因数の和:30761762

約数の個数: 20

約数和(自身を含む): 40051751628

約数和(自身を除く): 19872067900

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30761713, 61523426, 123046852, 246093704, 492187408, 1261230233, 2522460466, 5044920932, 10089841864, 20179683728]

約数ペア:

[(1, 20179683728), (2, 10089841864), (4, 5044920932), (8, 2522460466), (16, 1261230233), (41, 492187408), (82, 246093704), (164, 123046852), (328, 61523426), (656, 30761713)]