20684433

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{593}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 34670592

約数和(自身を除く): 13986159

約数列:

[1, 3, 7, 11, 21, 33, 77, 151, 231, 453, 593, 1057, 1661, 1779, 3171, 4151, 4983, 6523, 11627, 12453, 19569, 34881, 45661, 89543, 136983, 268629, 626801, 984973, 1880403, 2954919, 6894811, 20684433]

約数ペア:

[(1, 20684433), (3, 6894811), (7, 2954919), (11, 1880403), (21, 984973), (33, 626801), (77, 268629), (151, 136983), (231, 89543), (453, 45661), (593, 34881), (1057, 19569), (1661, 12453), (1779, 11627), (3171, 6523), (4151, 4983)]