20381484

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{39499}}^1$

素因数の和:39549

約数の個数: 24

約数和(自身を含む): 48664000

約数和(自身を除く): 28282516

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 39499, 78998, 118497, 157996, 236994, 473988, 1698457, 3396914, 5095371, 6793828, 10190742, 20381484]

約数ペア:

[(1, 20381484), (2, 10190742), (3, 6793828), (4, 5095371), (6, 3396914), (12, 1698457), (43, 473988), (86, 236994), (129, 157996), (172, 118497), (258, 78998), (516, 39499)]