20551335

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{27961}}^1$

素因数の和:27983

約数の個数: 24

約数和(自身を含む): 38252016

約数和(自身を除く): 17700681

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 27961, 83883, 139805, 195727, 419415, 587181, 978635, 1370089, 2935905, 4110267, 6850445, 20551335]

約数ペア:

[(1, 20551335), (3, 6850445), (5, 4110267), (7, 2935905), (15, 1370089), (21, 978635), (35, 587181), (49, 419415), (105, 195727), (147, 139805), (245, 83883), (735, 27961)]