20960046

素因数分解:

$2^1\times 3^4\times {\mathrm{109}}^1\times {\mathrm{1187}}^1$

素因数の和:1310

約数の個数: 40

約数和(自身を含む): 47436840

約数和(自身を除く): 26476794

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 109, 162, 218, 327, 654, 981, 1187, 1962, 2374, 2943, 3561, 5886, 7122, 8829, 10683, 17658, 21366, 32049, 64098, 96147, 129383, 192294, 258766, 388149, 776298, 1164447, 2328894, 3493341, 6986682, 10480023, 20960046]

約数ペア:

[(1, 20960046), (2, 10480023), (3, 6986682), (6, 3493341), (9, 2328894), (18, 1164447), (27, 776298), (54, 388149), (81, 258766), (109, 192294), (162, 129383), (218, 96147), (327, 64098), (654, 32049), (981, 21366), (1187, 17658), (1962, 10683), (2374, 8829), (2943, 7122), (3561, 5886)]