20392578

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{26347}}^1$

素因数の和:26398

約数の個数: 24

約数和(自身を含む): 45213168

約数和(自身を除く): 24820590

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 26347, 52694, 79041, 158082, 237123, 474246, 1132921, 2265842, 3398763, 6797526, 10196289, 20392578]

約数ペア:

[(1, 20392578), (2, 10196289), (3, 6797526), (6, 3398763), (9, 2265842), (18, 1132921), (43, 474246), (86, 237123), (129, 158082), (258, 79041), (387, 52694), (774, 26347)]