20123997635

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1\times {\mathrm{19751}}^1$

素因数の和:20483

約数の個数: 32

約数和(自身を含む): 28283599872

約数和(自身を除く): 8159602237

約数列:

[1, 5, 7, 35, 43, 215, 301, 677, 1505, 3385, 4739, 19751, 23695, 29111, 98755, 138257, 145555, 203777, 691285, 849293, 1018885, 4246465, 5945051, 13371427, 29725255, 66857135, 93599989, 467999945, 574971361, 2874856805, 4024799527, 20123997635]

約数ペア:

[(1, 20123997635), (5, 4024799527), (7, 2874856805), (35, 574971361), (43, 467999945), (215, 93599989), (301, 66857135), (677, 29725255), (1505, 13371427), (3385, 5945051), (4739, 4246465), (19751, 1018885), (23695, 849293), (29111, 691285), (98755, 203777), (138257, 145555)]