20453943

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{1583}}^1$

素因数の和:1718

約数の個数: 16

約数和(自身を含む): 28131840

約数和(自身を除く): 7677897

約数列:

[1, 3, 59, 73, 177, 219, 1583, 4307, 4749, 12921, 93397, 115559, 280191, 346677, 6817981, 20453943]

約数ペア:

[(1, 20453943), (3, 6817981), (59, 346677), (73, 280191), (177, 115559), (219, 93397), (1583, 12921), (4307, 4749)]