20881548

素因数分解:

$2^2\times 3^2\times {\mathrm{101}}^1\times {\mathrm{5743}}^1$

素因数の和:5854

約数の個数: 36

約数和(自身を含む): 53315808

約数和(自身を除く): 32434260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 101, 202, 303, 404, 606, 909, 1212, 1818, 3636, 5743, 11486, 17229, 22972, 34458, 51687, 68916, 103374, 206748, 580043, 1160086, 1740129, 2320172, 3480258, 5220387, 6960516, 10440774, 20881548]

約数ペア:

[(1, 20881548), (2, 10440774), (3, 6960516), (4, 5220387), (6, 3480258), (9, 2320172), (12, 1740129), (18, 1160086), (36, 580043), (101, 206748), (202, 103374), (303, 68916), (404, 51687), (606, 34458), (909, 22972), (1212, 17229), (1818, 11486), (3636, 5743)]