20192968

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{487}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 39000960

約数和(自身を除く): 18807992

約数列:

[1, 2, 4, 8, 71, 73, 142, 146, 284, 292, 487, 568, 584, 974, 1948, 3896, 5183, 10366, 20732, 34577, 35551, 41464, 69154, 71102, 138308, 142204, 276616, 284408, 2524121, 5048242, 10096484, 20192968]

約数ペア:

[(1, 20192968), (2, 10096484), (4, 5048242), (8, 2524121), (71, 284408), (73, 276616), (142, 142204), (146, 138308), (284, 71102), (292, 69154), (487, 41464), (568, 35551), (584, 34577), (974, 20732), (1948, 10366), (3896, 5183)]