20581636

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{1193}}^1$

素因数の和:1443

約数の個数: 24

約数和(自身を含む): 38112480

約数和(自身を除く): 17530844

約数列:

[1, 2, 4, 19, 38, 76, 227, 454, 908, 1193, 2386, 4313, 4772, 8626, 17252, 22667, 45334, 90668, 270811, 541622, 1083244, 5145409, 10290818, 20581636]

約数ペア:

[(1, 20581636), (2, 10290818), (4, 5145409), (19, 1083244), (38, 541622), (76, 270811), (227, 90668), (454, 45334), (908, 22667), (1193, 17252), (2386, 8626), (4313, 4772)]