20996838

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1237}}^1$

素因数の和:1309

約数の個数: 48

約数和(自身を含む): 48668256

約数和(自身を除く): 27671418

約数列:

[1, 2, 3, 6, 9, 18, 23, 41, 46, 69, 82, 123, 138, 207, 246, 369, 414, 738, 943, 1237, 1886, 2474, 2829, 3711, 5658, 7422, 8487, 11133, 16974, 22266, 28451, 50717, 56902, 85353, 101434, 152151, 170706, 256059, 304302, 456453, 512118, 912906, 1166491, 2332982, 3499473, 6998946, 10498419, 20996838]

約数ペア:

[(1, 20996838), (2, 10498419), (3, 6998946), (6, 3499473), (9, 2332982), (18, 1166491), (23, 912906), (41, 512118), (46, 456453), (69, 304302), (82, 256059), (123, 170706), (138, 152151), (207, 101434), (246, 85353), (369, 56902), (414, 50717), (738, 28451), (943, 22266), (1237, 16974), (1886, 11133), (2474, 8487), (2829, 7422), (3711, 5658)]