20807858660

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1487}}^1\times {\mathrm{5107}}^1$

素因数の和:6740

約数の個数: 48

約数和(自身を含む): 44053680384

約数和(自身を除く): 23245821724

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 1487, 2740, 2974, 5107, 5948, 7435, 10214, 14870, 20428, 25535, 29740, 51070, 102140, 203719, 407438, 699659, 814876, 1018595, 1399318, 2037190, 2798636, 3498295, 4074380, 6996590, 7594109, 13993180, 15188218, 30376436, 37970545, 75941090, 151882180, 1040392933, 2080785866, 4161571732, 5201964665, 10403929330, 20807858660]

約数ペア:

[(1, 20807858660), (2, 10403929330), (4, 5201964665), (5, 4161571732), (10, 2080785866), (20, 1040392933), (137, 151882180), (274, 75941090), (548, 37970545), (685, 30376436), (1370, 15188218), (1487, 13993180), (2740, 7594109), (2974, 6996590), (5107, 4074380), (5948, 3498295), (7435, 2798636), (10214, 2037190), (14870, 1399318), (20428, 1018595), (25535, 814876), (29740, 699659), (51070, 407438), (102140, 203719)]