20106499

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{997}}^1$

素因数の和:1114

約数の個数: 16

約数和(自身を含む): 23888128

約数和(自身を除く): 3781629

約数列:

[1, 7, 43, 67, 301, 469, 997, 2881, 6979, 20167, 42871, 66799, 300097, 467593, 2872357, 20106499]

約数ペア:

[(1, 20106499), (7, 2872357), (43, 467593), (67, 300097), (301, 66799), (469, 42871), (997, 20167), (2881, 6979)]