20536785

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15737}}^1$

素因数の和:15777

約数の個数: 24

約数和(自身を含む): 36826920

約数和(自身を除く): 16290135

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 15737, 47211, 78685, 141633, 236055, 456373, 708165, 1369119, 2281865, 4107357, 6845595, 20536785]

約数ペア:

[(1, 20536785), (3, 6845595), (5, 4107357), (9, 2281865), (15, 1369119), (29, 708165), (45, 456373), (87, 236055), (145, 141633), (261, 78685), (435, 47211), (1305, 15737)]