20669283

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{937}}^1$

素因数の和:1008

約数の個数: 32

約数和(自身を含む): 33017600

約数和(自身を除く): 12348317

約数列:

[1, 3, 9, 19, 27, 43, 57, 129, 171, 387, 513, 817, 937, 1161, 2451, 2811, 7353, 8433, 17803, 22059, 25299, 40291, 53409, 120873, 160227, 362619, 480681, 765529, 1087857, 2296587, 6889761, 20669283]

約数ペア:

[(1, 20669283), (3, 6889761), (9, 2296587), (19, 1087857), (27, 765529), (43, 480681), (57, 362619), (129, 160227), (171, 120873), (387, 53409), (513, 40291), (817, 25299), (937, 22059), (1161, 17803), (2451, 8433), (2811, 7353)]