20201907

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{9137}}^1$

素因数の和:9218

約数の個数: 16

約数和(自身を含む): 29826432

約数和(自身を除く): 9624525

約数列:

[1, 3, 11, 33, 67, 201, 737, 2211, 9137, 27411, 100507, 301521, 612179, 1836537, 6733969, 20201907]

約数ペア:

[(1, 20201907), (3, 6733969), (11, 1836537), (33, 612179), (67, 301521), (201, 100507), (737, 27411), (2211, 9137)]