20139557615

素因数分解:

$5^1\times {\mathrm{43}}^2\times {\mathrm{557}}^1\times {\mathrm{3911}}^1$

素因数の和:4559

約数の個数: 24

約数和(自身を含む): 24793332768

約数和(自身を除く): 4653775153

約数列:

[1, 5, 43, 215, 557, 1849, 2785, 3911, 9245, 19555, 23951, 119755, 168173, 840865, 1029893, 2178427, 5149465, 7231439, 10892135, 36157195, 93672361, 468361805, 4027911523, 20139557615]

約数ペア:

[(1, 20139557615), (5, 4027911523), (43, 468361805), (215, 93672361), (557, 36157195), (1849, 10892135), (2785, 7231439), (3911, 5149465), (9245, 2178427), (19555, 1029893), (23951, 840865), (119755, 168173)]