20938406

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{7681}}^1$

素因数の和:7759

約数の個数: 16

約数和(自身を含む): 33186240

約数和(自身を除く): 12247834

約数列:

[1, 2, 29, 47, 58, 94, 1363, 2726, 7681, 15362, 222749, 361007, 445498, 722014, 10469203, 20938406]

約数ペア:

[(1, 20938406), (2, 10469203), (29, 722014), (47, 445498), (58, 361007), (94, 222749), (1363, 15362), (2726, 7681)]