20070479

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 25401600

約数和(自身を除く): 5331121

約数列:

[1, 11, 13, 19, 83, 89, 143, 209, 247, 913, 979, 1079, 1157, 1577, 1691, 2717, 7387, 11869, 12727, 17347, 18601, 20501, 21983, 81257, 96031, 140353, 225511, 241813, 1056341, 1543883, 1824589, 20070479]

約数ペア:

[(1, 20070479), (11, 1824589), (13, 1543883), (19, 1056341), (83, 241813), (89, 225511), (143, 140353), (209, 96031), (247, 81257), (913, 21983), (979, 20501), (1079, 18601), (1157, 17347), (1577, 12727), (1691, 11869), (2717, 7387)]