20822421

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{1237}}^1$

素因数の和:1452

約数の個数: 16

約数和(自身を含む): 28840448

約数和(自身を除く): 8018027

約数列:

[1, 3, 31, 93, 181, 543, 1237, 3711, 5611, 16833, 38347, 115041, 223897, 671691, 6940807, 20822421]

約数ペア:

[(1, 20822421), (3, 6940807), (31, 671691), (93, 223897), (181, 115041), (543, 38347), (1237, 16833), (3711, 5611)]