20408310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17443}}^1$

素因数の和:17469

約数の個数: 48

約数和(自身を含む): 57146544

約数和(自身を除く): 36738234

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17443, 34886, 52329, 87215, 104658, 156987, 174430, 226759, 261645, 313974, 453518, 523290, 680277, 784935, 1133795, 1360554, 1569870, 2040831, 2267590, 3401385, 4081662, 6802770, 10204155, 20408310]

約数ペア:

[(1, 20408310), (2, 10204155), (3, 6802770), (5, 4081662), (6, 3401385), (9, 2267590), (10, 2040831), (13, 1569870), (15, 1360554), (18, 1133795), (26, 784935), (30, 680277), (39, 523290), (45, 453518), (65, 313974), (78, 261645), (90, 226759), (117, 174430), (130, 156987), (195, 104658), (234, 87215), (390, 52329), (585, 34886), (1170, 17443)]