20418292

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{6983}}^1$

素因数の和:7047

約数の個数: 24

約数和(自身を含む): 38719296

約数和(自身を除く): 18301004

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 6983, 13966, 27932, 118711, 237422, 300269, 474844, 600538, 1201076, 5104573, 10209146, 20418292]

約数ペア:

[(1, 20418292), (2, 10209146), (4, 5104573), (17, 1201076), (34, 600538), (43, 474844), (68, 300269), (86, 237422), (172, 118711), (731, 27932), (1462, 13966), (2924, 6983)]