20688470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6067}}^1$

素因数の和:6116

約数の個数: 32

約数和(自身を含む): 41942016

約数和(自身を除く): 21253546

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 6067, 12134, 30335, 60670, 66737, 133474, 188077, 333685, 376154, 667370, 940385, 1880770, 2068847, 4137694, 10344235, 20688470]

約数ペア:

[(1, 20688470), (2, 10344235), (5, 4137694), (10, 2068847), (11, 1880770), (22, 940385), (31, 667370), (55, 376154), (62, 333685), (110, 188077), (155, 133474), (310, 66737), (341, 60670), (682, 30335), (1705, 12134), (3410, 6067)]