20893275

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2381}}^1$

素因数の和:2413

約数の個数: 48

約数和(自身を含む): 41351520

約数和(自身を除く): 20458245

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 195, 225, 325, 351, 585, 675, 975, 1755, 2381, 2925, 7143, 8775, 11905, 21429, 30953, 35715, 59525, 64287, 92859, 107145, 154765, 178575, 278577, 321435, 464295, 535725, 773825, 835731, 1392885, 1607175, 2321475, 4178655, 6964425, 20893275]

約数ペア:

[(1, 20893275), (3, 6964425), (5, 4178655), (9, 2321475), (13, 1607175), (15, 1392885), (25, 835731), (27, 773825), (39, 535725), (45, 464295), (65, 321435), (75, 278577), (117, 178575), (135, 154765), (195, 107145), (225, 92859), (325, 64287), (351, 59525), (585, 35715), (675, 30953), (975, 21429), (1755, 11905), (2381, 8775), (2925, 7143)]