20006507521

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{73751}}^1$

素因数の和:74053

約数の個数: 32

約数和(自身を含む): 26961371136

約数和(自身を除く): 6954863615

約数列:

[1, 7, 11, 13, 77, 91, 143, 271, 1001, 1897, 2981, 3523, 20867, 24661, 38753, 73751, 271271, 516257, 811261, 958763, 5678827, 6711341, 10546393, 19986521, 73824751, 139905647, 219851731, 259824773, 1538962117, 1818773411, 2858072503, 20006507521]

約数ペア:

[(1, 20006507521), (7, 2858072503), (11, 1818773411), (13, 1538962117), (77, 259824773), (91, 219851731), (143, 139905647), (271, 73824751), (1001, 19986521), (1897, 10546393), (2981, 6711341), (3523, 5678827), (20867, 958763), (24661, 811261), (38753, 516257), (73751, 271271)]