20784782

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{619}}^1$

素因数の和:887

約数の個数: 16

約数和(自身を含む): 31724160

約数和(自身を除く): 10939378

約数列:

[1, 2, 103, 163, 206, 326, 619, 1238, 16789, 33578, 63757, 100897, 127514, 201794, 10392391, 20784782]

約数ペア:

[(1, 20784782), (2, 10392391), (103, 201794), (163, 127514), (206, 100897), (326, 63757), (619, 33578), (1238, 16789)]