20727045

素因数分解:

$3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1453}}^1$

素因数の和:1781

約数の個数: 24

約数和(自身を含む): 36065016

約数和(自身を除く): 15337971

約数列:

[1, 3, 5, 9, 15, 45, 317, 951, 1453, 1585, 2853, 4359, 4755, 7265, 13077, 14265, 21795, 65385, 460601, 1381803, 2303005, 4145409, 6909015, 20727045]

約数ペア:

[(1, 20727045), (3, 6909015), (5, 4145409), (9, 2303005), (15, 1381803), (45, 460601), (317, 65385), (951, 21795), (1453, 14265), (1585, 13077), (2853, 7265), (4359, 4755)]