20218679

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3559}}^1$

素因数の和:3614

約数の個数: 16

約数和(自身を含む): 23923200

約数和(自身を除く): 3704521

約数列:

[1, 13, 19, 23, 247, 299, 437, 3559, 5681, 46267, 67621, 81857, 879073, 1064141, 1555283, 20218679]

約数ペア:

[(1, 20218679), (13, 1555283), (19, 1064141), (23, 879073), (247, 81857), (299, 67621), (437, 46267), (3559, 5681)]