20346525

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{701}}^1$

素因数の和:763

約数の個数: 48

約数和(自身を含む): 38301120

約数和(自身を除く): 17954595

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 129, 135, 215, 225, 387, 645, 675, 701, 1075, 1161, 1935, 2103, 3225, 3505, 5805, 6309, 9675, 10515, 17525, 18927, 29025, 30143, 31545, 52575, 90429, 94635, 150715, 157725, 271287, 452145, 473175, 753575, 813861, 1356435, 2260725, 4069305, 6782175, 20346525]

約数ペア:

[(1, 20346525), (3, 6782175), (5, 4069305), (9, 2260725), (15, 1356435), (25, 813861), (27, 753575), (43, 473175), (45, 452145), (75, 271287), (129, 157725), (135, 150715), (215, 94635), (225, 90429), (387, 52575), (645, 31545), (675, 30143), (701, 29025), (1075, 18927), (1161, 17525), (1935, 10515), (2103, 9675), (3225, 6309), (3505, 5805)]