20317973

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1913}}^1$

素因数の和:1988

約数の個数: 16

約数和(自身を含む): 23580480

約数和(自身を除く): 3262507

約数列:

[1, 13, 19, 43, 247, 559, 817, 1913, 10621, 24869, 36347, 82259, 472511, 1069367, 1562921, 20317973]

約数ペア:

[(1, 20317973), (13, 1562921), (19, 1069367), (43, 472511), (247, 82259), (559, 36347), (817, 24869), (1913, 10621)]