20097259

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{821}}^1$

素因数の和:1110

約数の個数: 16

約数和(自身を含む): 24857280

約数和(自身を除く): 4760021

約数列:

[1, 7, 13, 91, 269, 821, 1883, 3497, 5747, 10673, 24479, 74711, 220849, 1545943, 2871037, 20097259]

約数ペア:

[(1, 20097259), (7, 2871037), (13, 1545943), (91, 220849), (269, 74711), (821, 24479), (1883, 10673), (3497, 5747)]