20057783397

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{28051}}^1$

素因数の和:28361

約数の個数: 32

約数和(自身を含む): 28674978816

約数和(自身を除く): 8617195419

約数列:

[1, 3, 23, 43, 69, 129, 241, 723, 989, 2967, 5543, 10363, 16629, 28051, 31089, 84153, 238349, 645173, 715047, 1206193, 1935519, 3618579, 6760291, 20280873, 27742439, 83227317, 155486693, 290692513, 466460079, 872077539, 6685927799, 20057783397]

約数ペア:

[(1, 20057783397), (3, 6685927799), (23, 872077539), (43, 466460079), (69, 290692513), (129, 155486693), (241, 83227317), (723, 27742439), (989, 20280873), (2967, 6760291), (5543, 3618579), (10363, 1935519), (16629, 1206193), (28051, 715047), (31089, 645173), (84153, 238349)]