20722636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{3119}}^1$

素因数の和:3285

約数の個数: 24

約数和(自身を含む): 39836160

約数和(自身を除く): 19113524

約数列:

[1, 2, 4, 11, 22, 44, 151, 302, 604, 1661, 3119, 3322, 6238, 6644, 12476, 34309, 68618, 137236, 470969, 941938, 1883876, 5180659, 10361318, 20722636]

約数ペア:

[(1, 20722636), (2, 10361318), (4, 5180659), (11, 1883876), (22, 941938), (44, 470969), (151, 137236), (302, 68618), (604, 34309), (1661, 12476), (3119, 6644), (3322, 6238)]