20822659

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{487}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 25719552

約数和(自身を除く): 4896893

約数列:

[1, 11, 13, 23, 143, 169, 253, 299, 487, 1859, 3289, 3887, 5357, 6331, 11201, 42757, 69641, 82303, 123211, 145613, 905333, 1601743, 1892969, 20822659]

約数ペア:

[(1, 20822659), (11, 1892969), (13, 1601743), (23, 905333), (143, 145613), (169, 123211), (253, 82303), (299, 69641), (487, 42757), (1859, 11201), (3289, 6331), (3887, 5357)]