20815336

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{136943}}^1$

素因数の和:136968

約数の個数: 16

約数和(自身を含む): 41083200

約数和(自身を除く): 20267864

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 136943, 273886, 547772, 1095544, 2601917, 5203834, 10407668, 20815336]

約数ペア:

[(1, 20815336), (2, 10407668), (4, 5203834), (8, 2601917), (19, 1095544), (38, 547772), (76, 273886), (152, 136943)]