20487735

素因数分解:

$3^4\times 5^1\times {\mathrm{50587}}^1$

素因数の和:50604

約数の個数: 20

約数和(自身を含む): 36726888

約数和(自身を除く): 16239153

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 50587, 151761, 252935, 455283, 758805, 1365849, 2276415, 4097547, 6829245, 20487735]

約数ペア:

[(1, 20487735), (3, 6829245), (5, 4097547), (9, 2276415), (15, 1365849), (27, 758805), (45, 455283), (81, 252935), (135, 151761), (405, 50587)]