20406650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{3373}}^1$

素因数の和:3407

約数の個数: 36

約数和(自身を含む): 41733006

約数和(自身を除く): 21326356

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 242, 275, 550, 605, 1210, 3025, 3373, 6050, 6746, 16865, 33730, 37103, 74206, 84325, 168650, 185515, 371030, 408133, 816266, 927575, 1855150, 2040665, 4081330, 10203325, 20406650]

約数ペア:

[(1, 20406650), (2, 10203325), (5, 4081330), (10, 2040665), (11, 1855150), (22, 927575), (25, 816266), (50, 408133), (55, 371030), (110, 185515), (121, 168650), (242, 84325), (275, 74206), (550, 37103), (605, 33730), (1210, 16865), (3025, 6746), (3373, 6050)]