20818312

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{113143}}^1$

素因数の和:113172

約数の個数: 16

約数和(自身を含む): 40731840

約数和(自身を除く): 19913528

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 113143, 226286, 452572, 905144, 2602289, 5204578, 10409156, 20818312]

約数ペア:

[(1, 20818312), (2, 10409156), (4, 5204578), (8, 2602289), (23, 905144), (46, 452572), (92, 226286), (184, 113143)]