20947082

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42403}}^1$

素因数の和:42437

約数の個数: 16

約数和(自身を含む): 35619360

約数和(自身を除く): 14672278

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 42403, 84806, 551239, 805657, 1102478, 1611314, 10473541, 20947082]

約数ペア:

[(1, 20947082), (2, 10473541), (13, 1611314), (19, 1102478), (26, 805657), (38, 551239), (247, 84806), (494, 42403)]