20415356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{937}}^1$

素因数の和:1373

約数の個数: 24

約数和(自身を含む): 38608080

約数和(自身を除く): 18192724

約数列:

[1, 2, 4, 13, 26, 52, 419, 838, 937, 1676, 1874, 3748, 5447, 10894, 12181, 21788, 24362, 48724, 392603, 785206, 1570412, 5103839, 10207678, 20415356]

約数ペア:

[(1, 20415356), (2, 10207678), (4, 5103839), (13, 1570412), (26, 785206), (52, 392603), (419, 48724), (838, 24362), (937, 21788), (1676, 12181), (1874, 10894), (3748, 5447)]