20374425

素因数分解:

$3^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{1091}}^1$

素因数の和:1190

約数の個数: 36

約数和(自身を含む): 36966384

約数和(自身を除く): 16591959

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 83, 225, 249, 415, 747, 1091, 1245, 2075, 3273, 3735, 5455, 6225, 9819, 16365, 18675, 27275, 49095, 81825, 90553, 245475, 271659, 452765, 814977, 1358295, 2263825, 4074885, 6791475, 20374425]

約数ペア:

[(1, 20374425), (3, 6791475), (5, 4074885), (9, 2263825), (15, 1358295), (25, 814977), (45, 452765), (75, 271659), (83, 245475), (225, 90553), (249, 81825), (415, 49095), (747, 27275), (1091, 18675), (1245, 16365), (2075, 9819), (3273, 6225), (3735, 5455)]