20145802105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{90019}}^1$

素因数の和:90361

約数の個数: 32

約数和(自身を含む): 28492410240

約数和(自身を除く): 8346608135

約数列:

[1, 5, 11, 13, 55, 65, 143, 313, 715, 1565, 3443, 4069, 17215, 20345, 44759, 90019, 223795, 450095, 990209, 1170247, 4951045, 5851235, 12872717, 28175947, 64363585, 140879735, 309935417, 366287311, 1549677085, 1831436555, 4029160421, 20145802105]

約数ペア:

[(1, 20145802105), (5, 4029160421), (11, 1831436555), (13, 1549677085), (55, 366287311), (65, 309935417), (143, 140879735), (313, 64363585), (715, 28175947), (1565, 12872717), (3443, 5851235), (4069, 4951045), (17215, 1170247), (20345, 990209), (44759, 450095), (90019, 223795)]