20103875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{14621}}^1$

素因数の和:14647

約数の個数: 16

約数和(自身を含む): 27372384

約数和(自身を除く): 7268509

約数列:

[1, 5, 11, 25, 55, 125, 275, 1375, 14621, 73105, 160831, 365525, 804155, 1827625, 4020775, 20103875]

約数ペア:

[(1, 20103875), (5, 4020775), (11, 1827625), (25, 804155), (55, 365525), (125, 160831), (275, 73105), (1375, 14621)]