20399577

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1259}}^1$

素因数の和:1764

約数の個数: 16

約数和(自身を含む): 29756160

約数和(自身を除く): 9356583

約数列:

[1, 3, 11, 33, 491, 1259, 1473, 3777, 5401, 13849, 16203, 41547, 618169, 1854507, 6799859, 20399577]

約数ペア:

[(1, 20399577), (3, 6799859), (11, 1854507), (33, 618169), (491, 41547), (1259, 16203), (1473, 13849), (3777, 5401)]