20807558

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 34992000

約数和(自身を除く): 14184442

約数列:

[1, 2, 17, 29, 34, 47, 58, 94, 449, 493, 799, 898, 986, 1363, 1598, 2726, 7633, 13021, 15266, 21103, 23171, 26042, 42206, 46342, 221357, 358751, 442714, 611987, 717502, 1223974, 10403779, 20807558]

約数ペア:

[(1, 20807558), (2, 10403779), (17, 1223974), (29, 717502), (34, 611987), (47, 442714), (58, 358751), (94, 221357), (449, 46342), (493, 42206), (799, 26042), (898, 23171), (986, 21103), (1363, 15266), (1598, 13021), (2726, 7633)]