20419009

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1453}}^1$

素因数の和:1536

約数の個数: 16

約数和(自身を含む): 23450112

約数和(自身を除く): 3031103

約数列:

[1, 13, 23, 47, 299, 611, 1081, 1453, 14053, 18889, 33419, 68291, 434447, 887783, 1570693, 20419009]

約数ペア:

[(1, 20419009), (13, 1570693), (23, 887783), (47, 434447), (299, 68291), (611, 33419), (1081, 18889), (1453, 14053)]