20209701

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1\times {\mathrm{317}}^1$

素因数の和:668

約数の個数: 16

約数和(自身を含む): 27475200

約数和(自身を除く): 7265499

約数列:

[1, 3, 79, 237, 269, 317, 807, 951, 21251, 25043, 63753, 75129, 85273, 255819, 6736567, 20209701]

約数ペア:

[(1, 20209701), (3, 6736567), (79, 255819), (237, 85273), (269, 75129), (317, 63753), (807, 25043), (951, 21251)]