20945682

素因数分解:

$2^1\times 3^3\times {\mathrm{181}}^1\times {\mathrm{2143}}^1$

素因数の和:2335

約数の個数: 32

約数和(自身を含む): 46824960

約数和(自身を除く): 25879278

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 181, 362, 543, 1086, 1629, 2143, 3258, 4286, 4887, 6429, 9774, 12858, 19287, 38574, 57861, 115722, 387883, 775766, 1163649, 2327298, 3490947, 6981894, 10472841, 20945682]

約数ペア:

[(1, 20945682), (2, 10472841), (3, 6981894), (6, 3490947), (9, 2327298), (18, 1163649), (27, 775766), (54, 387883), (181, 115722), (362, 57861), (543, 38574), (1086, 19287), (1629, 12858), (2143, 9774), (3258, 6429), (4286, 4887)]