20369391

素因数分解:

$3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{4273}}^1$

素因数の和:4510

約数の個数: 16

約数和(自身を含む): 31183104

約数和(自身を除く): 10813713

約数列:

[1, 3, 7, 21, 227, 681, 1589, 4273, 4767, 12819, 29911, 89733, 969971, 2909913, 6789797, 20369391]

約数ペア:

[(1, 20369391), (3, 6789797), (7, 2909913), (21, 969971), (227, 89733), (681, 29911), (1589, 12819), (4273, 4767)]