20205675

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{12829}}^1$

素因数の和:12852

約数の個数: 36

約数和(自身を含む): 41363920

約数和(自身を除く): 21158245

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 12829, 38487, 64145, 89803, 115461, 192435, 269409, 320725, 449015, 577305, 808227, 962175, 1347045, 2245075, 2886525, 4041135, 6735225, 20205675]

約数ペア:

[(1, 20205675), (3, 6735225), (5, 4041135), (7, 2886525), (9, 2245075), (15, 1347045), (21, 962175), (25, 808227), (35, 577305), (45, 449015), (63, 320725), (75, 269409), (105, 192435), (175, 115461), (225, 89803), (315, 64145), (525, 38487), (1575, 12829)]