20459416

素因数分解:

$2^3\times {\mathrm{271}}^1\times {\mathrm{9437}}^1$

素因数の和:9714

約数の個数: 16

約数和(自身を含む): 38507040

約数和(自身を除く): 18047624

約数列:

[1, 2, 4, 8, 271, 542, 1084, 2168, 9437, 18874, 37748, 75496, 2557427, 5114854, 10229708, 20459416]

約数ペア:

[(1, 20459416), (2, 10229708), (4, 5114854), (8, 2557427), (271, 75496), (542, 37748), (1084, 18874), (2168, 9437)]