20496983

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1$

素因数の和:506

約数の個数: 16

約数和(自身を含む): 22993152

約数和(自身を除く): 2496169

約数列:

[1, 13, 31, 181, 281, 403, 2353, 3653, 5611, 8711, 50861, 72943, 113243, 661193, 1576691, 20496983]

約数ペア:

[(1, 20496983), (13, 1576691), (31, 661193), (181, 113243), (281, 72943), (403, 50861), (2353, 8711), (3653, 5611)]