20022004

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1973}}^1$

素因数の和:2079

約数の個数: 24

約数和(自身を含む): 36479520

約数和(自身を除く): 16457516

約数列:

[1, 2, 4, 43, 59, 86, 118, 172, 236, 1973, 2537, 3946, 5074, 7892, 10148, 84839, 116407, 169678, 232814, 339356, 465628, 5005501, 10011002, 20022004]

約数ペア:

[(1, 20022004), (2, 10011002), (4, 5005501), (43, 465628), (59, 339356), (86, 232814), (118, 169678), (172, 116407), (236, 84839), (1973, 10148), (2537, 7892), (3946, 5074)]