20997662

素因数分解:

$2^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{4021}}^1$

素因数の和:4403

約数の個数: 16

約数和(自身を含む): 36101472

約数和(自身を除く): 15103810

約数列:

[1, 2, 7, 14, 373, 746, 2611, 4021, 5222, 8042, 28147, 56294, 1499833, 2999666, 10498831, 20997662]

約数ペア:

[(1, 20997662), (2, 10498831), (7, 2999666), (14, 1499833), (373, 56294), (746, 28147), (2611, 8042), (4021, 5222)]