20081047

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{3371}}^1$

素因数の和:3438

約数の個数: 16

約数和(自身を含む): 24602112

約数和(自身を除く): 4521065

約数列:

[1, 7, 23, 37, 161, 259, 851, 3371, 5957, 23597, 77533, 124727, 542731, 873089, 2868721, 20081047]

約数ペア:

[(1, 20081047), (7, 2868721), (23, 873089), (37, 542731), (161, 124727), (259, 77533), (851, 23597), (3371, 5957)]