20099585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15889}}^1$

素因数の和:15928

約数の個数: 16

約数和(自身を含む): 27457920

約数和(自身を除く): 7358335

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 15889, 79445, 174779, 365447, 873895, 1827235, 4019917, 20099585]

約数ペア:

[(1, 20099585), (5, 4019917), (11, 1827235), (23, 873895), (55, 365447), (115, 174779), (253, 79445), (1265, 15889)]