20884997

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{829}}^1$

素因数の和:956

約数の個数: 16

約数和(自身を含む): 24700800

約数和(自身を除く): 3815803

約数列:

[1, 7, 59, 61, 413, 427, 829, 3599, 5803, 25193, 48911, 50569, 342377, 353983, 2983571, 20884997]

約数ペア:

[(1, 20884997), (7, 2983571), (59, 353983), (61, 342377), (413, 50569), (427, 48911), (829, 25193), (3599, 5803)]