20480775

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{5573}}^1$

素因数の和:5600

約数の個数: 36

約数和(自身を含む): 39397032

約数和(自身を除く): 18916257

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 525, 735, 1225, 3675, 5573, 16719, 27865, 39011, 83595, 117033, 139325, 195055, 273077, 417975, 585165, 819231, 975275, 1365385, 2925825, 4096155, 6826925, 20480775]

約数ペア:

[(1, 20480775), (3, 6826925), (5, 4096155), (7, 2925825), (15, 1365385), (21, 975275), (25, 819231), (35, 585165), (49, 417975), (75, 273077), (105, 195055), (147, 139325), (175, 117033), (245, 83595), (525, 39011), (735, 27865), (1225, 16719), (3675, 5573)]