20099279945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{769}}^1\times {\mathrm{7151}}^1$

素因数の和:7985

約数の個数: 32

約数和(自身を含む): 26169454080

約数和(自身を除く): 6070174135

約数列:

[1, 5, 17, 43, 85, 215, 731, 769, 3655, 3845, 7151, 13073, 33067, 35755, 65365, 121567, 165335, 307493, 562139, 607835, 1537465, 2810695, 5227381, 5499119, 26136905, 27495595, 93485023, 236462117, 467425115, 1182310585, 4019855989, 20099279945]

約数ペア:

[(1, 20099279945), (5, 4019855989), (17, 1182310585), (43, 467425115), (85, 236462117), (215, 93485023), (731, 27495595), (769, 26136905), (3655, 5499119), (3845, 5227381), (7151, 2810695), (13073, 1537465), (33067, 607835), (35755, 562139), (65365, 307493), (121567, 165335)]