20131181

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1423}}^1$

素因数の和:1520

約数の個数: 16

約数和(自身を含む): 24059904

約数和(自身を除く): 3928723

約数列:

[1, 7, 43, 47, 301, 329, 1423, 2021, 9961, 14147, 61189, 66881, 428323, 468167, 2875883, 20131181]

約数ペア:

[(1, 20131181), (7, 2875883), (43, 468167), (47, 428323), (301, 66881), (329, 61189), (1423, 14147), (2021, 9961)]