20764816

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{9473}}^1$

素因数の和:9618

約数の個数: 20

約数和(自身を含む): 40529772

約数和(自身を除く): 19764956

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 9473, 18946, 37892, 75784, 151568, 1297801, 2595602, 5191204, 10382408, 20764816]

約数ペア:

[(1, 20764816), (2, 10382408), (4, 5191204), (8, 2595602), (16, 1297801), (137, 151568), (274, 75784), (548, 37892), (1096, 18946), (2192, 9473)]