20099259

素因数分解:

$3^6\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:446

約数の個数: 28

約数和(自身を含む): 30604000

約数和(自身を除く): 10504741

約数列:

[1, 3, 9, 27, 79, 81, 237, 243, 349, 711, 729, 1047, 2133, 3141, 6399, 9423, 19197, 27571, 28269, 57591, 82713, 84807, 248139, 254421, 744417, 2233251, 6699753, 20099259]

約数ペア:

[(1, 20099259), (3, 6699753), (9, 2233251), (27, 744417), (79, 254421), (81, 248139), (237, 84807), (243, 82713), (349, 57591), (711, 28269), (729, 27571), (1047, 19197), (2133, 9423), (3141, 6399)]