20122430457

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{400997}}^1$

素因数の和:401432

約数の個数: 16

約数和(自身を含む): 27524502720

約数和(自身を除く): 7402072263

約数列:

[1, 3, 43, 129, 389, 1167, 16727, 50181, 400997, 1202991, 17242871, 51728613, 155987833, 467963499, 6707476819, 20122430457]

約数ペア:

[(1, 20122430457), (3, 6707476819), (43, 467963499), (129, 155987833), (389, 51728613), (1167, 17242871), (16727, 1202991), (50181, 400997)]