20299853

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{953}}^1$

素因数の和:1156

約数の個数: 16

約数和(自身を含む): 24727680

約数和(自身を除く): 4427827

約数列:

[1, 7, 17, 119, 179, 953, 1253, 3043, 6671, 16201, 21301, 113407, 170587, 1194109, 2899979, 20299853]

約数ペア:

[(1, 20299853), (7, 2899979), (17, 1194109), (119, 170587), (179, 113407), (953, 21301), (1253, 16201), (3043, 6671)]