20475105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1789}}^1$

素因数の和:1913

約数の個数: 32

約数和(自身を含む): 37804800

約数和(自身を除く): 17329695

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 109, 327, 545, 763, 1635, 1789, 2289, 3815, 5367, 8945, 11445, 12523, 26835, 37569, 62615, 187845, 195001, 585003, 975005, 1365007, 2925015, 4095021, 6825035, 20475105]

約数ペア:

[(1, 20475105), (3, 6825035), (5, 4095021), (7, 2925015), (15, 1365007), (21, 975005), (35, 585003), (105, 195001), (109, 187845), (327, 62615), (545, 37569), (763, 26835), (1635, 12523), (1789, 11445), (2289, 8945), (3815, 5367)]