20203545

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{373}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 34036992

約数和(自身を除く): 13833447

約数列:

[1, 3, 5, 15, 23, 69, 115, 157, 345, 373, 471, 785, 1119, 1865, 2355, 3611, 5595, 8579, 10833, 18055, 25737, 42895, 54165, 58561, 128685, 175683, 292805, 878415, 1346903, 4040709, 6734515, 20203545]

約数ペア:

[(1, 20203545), (3, 6734515), (5, 4040709), (15, 1346903), (23, 878415), (69, 292805), (115, 175683), (157, 128685), (345, 58561), (373, 54165), (471, 42895), (785, 25737), (1119, 18055), (1865, 10833), (2355, 8579), (3611, 5595)]