20153665

素因数分解:

$5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2729}}^1$

素因数の和:2952

約数の個数: 16

約数和(自身を含む): 27780480

約数和(自身を除く): 7626815

約数列:

[1, 5, 7, 35, 211, 1055, 1477, 2729, 7385, 13645, 19103, 95515, 575819, 2879095, 4030733, 20153665]

約数ペア:

[(1, 20153665), (5, 4030733), (7, 2879095), (35, 575819), (211, 95515), (1055, 19103), (1477, 13645), (2729, 7385)]