20916738

素因数分解:

$2^1\times 3^3\times {\mathrm{173}}^1\times {\mathrm{2239}}^1$

素因数の和:2423

約数の個数: 32

約数和(自身を含む): 46771200

約数和(自身を除く): 25854462

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 173, 346, 519, 1038, 1557, 2239, 3114, 4478, 4671, 6717, 9342, 13434, 20151, 40302, 60453, 120906, 387347, 774694, 1162041, 2324082, 3486123, 6972246, 10458369, 20916738]

約数ペア:

[(1, 20916738), (2, 10458369), (3, 6972246), (6, 3486123), (9, 2324082), (18, 1162041), (27, 774694), (54, 387347), (173, 120906), (346, 60453), (519, 40302), (1038, 20151), (1557, 13434), (2239, 9342), (3114, 6717), (4478, 4671)]