20862266

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{11681}}^1$

素因数の和:11749

約数の個数: 16

約数和(自身を含む): 33644160

約数和(自身を除く): 12781894

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 11681, 23362, 221939, 443878, 549007, 1098014, 10431133, 20862266]

約数ペア:

[(1, 20862266), (2, 10431133), (19, 1098014), (38, 549007), (47, 443878), (94, 221939), (893, 23362), (1786, 11681)]