20345291253

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{439}}^1\times {\mathrm{8863}}^1$

素因数の和:9398

約数の個数: 48

約数和(自身を含む): 34071797760

約数和(自身を除く): 13726506507

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 439, 581, 747, 1317, 1743, 3073, 3951, 5229, 8863, 9219, 26589, 27657, 36437, 62041, 79767, 109311, 186123, 255059, 327933, 558369, 735629, 765177, 2206887, 2295531, 3890857, 5149403, 6620661, 11672571, 15448209, 27235999, 35017713, 46344627, 81707997, 245123991, 322941131, 968823393, 2260587917, 2906470179, 6781763751, 20345291253]

約数ペア:

[(1, 20345291253), (3, 6781763751), (7, 2906470179), (9, 2260587917), (21, 968823393), (63, 322941131), (83, 245123991), (249, 81707997), (439, 46344627), (581, 35017713), (747, 27235999), (1317, 15448209), (1743, 11672571), (3073, 6620661), (3951, 5149403), (5229, 3890857), (8863, 2295531), (9219, 2206887), (26589, 765177), (27657, 735629), (36437, 558369), (62041, 327933), (79767, 255059), (109311, 186123)]