20996172

素因数分解:

$2^2\times 3^5\times {\mathrm{21601}}^1$

素因数の和:21620

約数の個数: 36

約数和(自身を含む): 55041896

約数和(自身を除く): 34045724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 21601, 43202, 64803, 86404, 129606, 194409, 259212, 388818, 583227, 777636, 1166454, 1749681, 2332908, 3499362, 5249043, 6998724, 10498086, 20996172]

約数ペア:

[(1, 20996172), (2, 10498086), (3, 6998724), (4, 5249043), (6, 3499362), (9, 2332908), (12, 1749681), (18, 1166454), (27, 777636), (36, 583227), (54, 388818), (81, 259212), (108, 194409), (162, 129606), (243, 86404), (324, 64803), (486, 43202), (972, 21601)]