20427267

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1759}}^1$

素因数の和:1855

約数の個数: 24

約数和(自身を含む): 32102400

約数和(自身を除く): 11675133

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 553, 1659, 1759, 3871, 5277, 11613, 12313, 36939, 86191, 138961, 258573, 416883, 972727, 2918181, 6809089, 20427267]

約数ペア:

[(1, 20427267), (3, 6809089), (7, 2918181), (21, 972727), (49, 416883), (79, 258573), (147, 138961), (237, 86191), (553, 36939), (1659, 12313), (1759, 11613), (3871, 5277)]