20213060031

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{28477}}^1$

素因数の和:28642

約数の個数: 48

約数和(自身を含む): 31844327424

約数和(自身を除く): 11631267393

約数列:

[1, 3, 9, 23, 27, 69, 81, 127, 207, 243, 381, 621, 1143, 1863, 2921, 3429, 5589, 8763, 10287, 26289, 28477, 30861, 78867, 85431, 236601, 256293, 654971, 709803, 768879, 1964913, 2306637, 3616579, 5894739, 6919911, 10849737, 17684217, 32549211, 53052651, 83181317, 97647633, 159157953, 249543951, 292942899, 748631853, 878828697, 2245895559, 6737686677, 20213060031]

約数ペア:

[(1, 20213060031), (3, 6737686677), (9, 2245895559), (23, 878828697), (27, 748631853), (69, 292942899), (81, 249543951), (127, 159157953), (207, 97647633), (243, 83181317), (381, 53052651), (621, 32549211), (1143, 17684217), (1863, 10849737), (2921, 6919911), (3429, 5894739), (5589, 3616579), (8763, 2306637), (10287, 1964913), (26289, 768879), (28477, 709803), (30861, 654971), (78867, 256293), (85431, 236601)]