20386140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{339769}}^1$

素因数の和:339781

約数の個数: 24

約数和(自身を含む): 57081360

約数和(自身を除く): 36695220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 339769, 679538, 1019307, 1359076, 1698845, 2038614, 3397690, 4077228, 5096535, 6795380, 10193070, 20386140]

約数ペア:

[(1, 20386140), (2, 10193070), (3, 6795380), (4, 5096535), (5, 4077228), (6, 3397690), (10, 2038614), (12, 1698845), (15, 1359076), (20, 1019307), (30, 679538), (60, 339769)]