20317245

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3361}}^1$

素因数の和:3413

約数の個数: 32

約数和(自身を含む): 36148224

約数和(自身を除く): 15830979

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 403, 465, 1209, 2015, 3361, 6045, 10083, 16805, 43693, 50415, 104191, 131079, 218465, 312573, 520955, 655395, 1354483, 1562865, 4063449, 6772415, 20317245]

約数ペア:

[(1, 20317245), (3, 6772415), (5, 4063449), (13, 1562865), (15, 1354483), (31, 655395), (39, 520955), (65, 312573), (93, 218465), (155, 131079), (195, 104191), (403, 50415), (465, 43693), (1209, 16805), (2015, 10083), (3361, 6045)]