20504470805

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{797}}^1\times {\mathrm{56543}}^1$

素因数の和:57365

約数の個数: 32

約数和(自身を含む): 30322059264

約数和(自身を除く): 9817588459

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 797, 3985, 5579, 10361, 27895, 51805, 56543, 72527, 282715, 362635, 395801, 735059, 1979005, 3675295, 5145413, 25727065, 45064771, 225323855, 315453397, 585842023, 1577266985, 2929210115, 4100894161, 20504470805]

約数ペア:

[(1, 20504470805), (5, 4100894161), (7, 2929210115), (13, 1577266985), (35, 585842023), (65, 315453397), (91, 225323855), (455, 45064771), (797, 25727065), (3985, 5145413), (5579, 3675295), (10361, 1979005), (27895, 735059), (51805, 395801), (56543, 362635), (72527, 282715)]