20843220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1117}}^1$

素因数の和:1440

約数の個数: 48

約数和(自身を含む): 58601088

約数和(自身を除く): 37757868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 311, 622, 933, 1117, 1244, 1555, 1866, 2234, 3110, 3351, 3732, 4468, 4665, 5585, 6220, 6702, 9330, 11170, 13404, 16755, 18660, 22340, 33510, 67020, 347387, 694774, 1042161, 1389548, 1736935, 2084322, 3473870, 4168644, 5210805, 6947740, 10421610, 20843220]

約数ペア:

[(1, 20843220), (2, 10421610), (3, 6947740), (4, 5210805), (5, 4168644), (6, 3473870), (10, 2084322), (12, 1736935), (15, 1389548), (20, 1042161), (30, 694774), (60, 347387), (311, 67020), (622, 33510), (933, 22340), (1117, 18660), (1244, 16755), (1555, 13404), (1866, 11170), (2234, 9330), (3110, 6702), (3351, 6220), (3732, 5585), (4468, 4665)]