20402979

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{12343}}^1$

素因数の和:12394

約数の個数: 16

約数和(自身を含む): 29625600

約数和(自身を除く): 9222621

約数列:

[1, 3, 19, 29, 57, 87, 551, 1653, 12343, 37029, 234517, 357947, 703551, 1073841, 6800993, 20402979]

約数ペア:

[(1, 20402979), (3, 6800993), (19, 1073841), (29, 703551), (57, 357947), (87, 234517), (551, 37029), (1653, 12343)]