20447184

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{18521}}^1$

素因数の和:18555

約数の個数: 40

約数和(自身を含む): 55121472

約数和(自身を除く): 34674288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 276, 368, 552, 1104, 18521, 37042, 55563, 74084, 111126, 148168, 222252, 296336, 425983, 444504, 851966, 889008, 1277949, 1703932, 2555898, 3407864, 5111796, 6815728, 10223592, 20447184]

約数ペア:

[(1, 20447184), (2, 10223592), (3, 6815728), (4, 5111796), (6, 3407864), (8, 2555898), (12, 1703932), (16, 1277949), (23, 889008), (24, 851966), (46, 444504), (48, 425983), (69, 296336), (92, 222252), (138, 148168), (184, 111126), (276, 74084), (368, 55563), (552, 37042), (1104, 18521)]