20903049

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{5651}}^1$

素因数の和:5797

約数の個数: 16

約数和(自身を含む): 31199040

約数和(自身を除く): 10295991

約数列:

[1, 3, 9, 27, 137, 411, 1233, 3699, 5651, 16953, 50859, 152577, 774187, 2322561, 6967683, 20903049]

約数ペア:

[(1, 20903049), (3, 6967683), (9, 2322561), (27, 774187), (137, 152577), (411, 50859), (1233, 16953), (3699, 5651)]