20198347

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1571}}^1$

素因数の和:1650

約数の個数: 16

約数和(自身を含む): 23240448

約数和(自身を除く): 3042101

約数列:

[1, 13, 23, 43, 299, 559, 989, 1571, 12857, 20423, 36133, 67553, 469729, 878189, 1553719, 20198347]

約数ペア:

[(1, 20198347), (13, 1553719), (23, 878189), (43, 469729), (299, 67553), (559, 36133), (989, 20423), (1571, 12857)]