20119957

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 24243840

約数和(自身を除く): 4123883

約数列:

[1, 11, 13, 79, 137, 143, 169, 869, 1027, 1507, 1781, 1859, 10823, 11297, 13351, 19591, 23153, 119053, 140699, 146861, 254683, 1547689, 1829087, 20119957]

約数ペア:

[(1, 20119957), (11, 1829087), (13, 1547689), (79, 254683), (137, 146861), (143, 140699), (169, 119053), (869, 23153), (1027, 19591), (1507, 13351), (1781, 11297), (1859, 10823)]