20791404

素因数分解:

$2^2\times 3^4\times {\mathrm{64171}}^1$

素因数の和:64187

約数の個数: 30

約数和(自身を含む): 54353684

約数和(自身を除く): 33562280

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 64171, 128342, 192513, 256684, 385026, 577539, 770052, 1155078, 1732617, 2310156, 3465234, 5197851, 6930468, 10395702, 20791404]

約数ペア:

[(1, 20791404), (2, 10395702), (3, 6930468), (4, 5197851), (6, 3465234), (9, 2310156), (12, 1732617), (18, 1155078), (27, 770052), (36, 577539), (54, 385026), (81, 256684), (108, 192513), (162, 128342), (324, 64171)]