20268495

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11549}}^1$

素因数の和:11576

約数の個数: 32

約数和(自身を含む): 38808000

約数和(自身を除く): 18539505

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 11549, 34647, 57745, 103941, 150137, 173235, 311823, 450411, 519705, 750685, 1351233, 1559115, 2252055, 4053699, 6756165, 20268495]

約数ペア:

[(1, 20268495), (3, 6756165), (5, 4053699), (9, 2252055), (13, 1559115), (15, 1351233), (27, 750685), (39, 519705), (45, 450411), (65, 311823), (117, 173235), (135, 150137), (195, 103941), (351, 57745), (585, 34647), (1755, 11549)]