20175072281

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{4261}}^1\times {\mathrm{7433}}^1$

素因数の和:11721

約数の個数: 24

約数和(自身を含む): 25283598984

約数和(自身を除く): 5108526703

約数列:

[1, 7, 13, 49, 91, 637, 4261, 7433, 29827, 52031, 55393, 96629, 208789, 364217, 387751, 676403, 2714257, 4734821, 31672013, 221704091, 411736169, 1551928637, 2882153183, 20175072281]

約数ペア:

[(1, 20175072281), (7, 2882153183), (13, 1551928637), (49, 411736169), (91, 221704091), (637, 31672013), (4261, 4734821), (7433, 2714257), (29827, 676403), (52031, 387751), (55393, 364217), (96629, 208789)]