20161542051

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4507387}}^1$

素因数の和:4507471

約数の個数: 24

約数和(自身を含む): 33751321344

約数和(自身を除く): 13589779293

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 4507387, 13522161, 31551709, 40566483, 94655127, 283965381, 320024477, 960073431, 2240171339, 2880220293, 6720514017, 20161542051]

約数ペア:

[(1, 20161542051), (3, 6720514017), (7, 2880220293), (9, 2240171339), (21, 960073431), (63, 320024477), (71, 283965381), (213, 94655127), (497, 40566483), (639, 31551709), (1491, 13522161), (4473, 4507387)]