12798020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{33679}}^1$

素因数の和:33707

約数の個数: 24

約数和(自身を含む): 28291200

約数和(自身を除く): 15493180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 33679, 67358, 134716, 168395, 336790, 639901, 673580, 1279802, 2559604, 3199505, 6399010, 12798020]

約数ペア:

[(1, 12798020), (2, 6399010), (4, 3199505), (5, 2559604), (10, 1279802), (19, 673580), (20, 639901), (38, 336790), (76, 168395), (95, 134716), (190, 67358), (380, 33679)]