20402434

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{3719}}^1$

素因数の和:3945

約数の個数: 16

約数和(自身を含む): 33122880

約数和(自身を除く): 12720446

約数列:

[1, 2, 13, 26, 211, 422, 2743, 3719, 5486, 7438, 48347, 96694, 784709, 1569418, 10201217, 20402434]

約数ペア:

[(1, 20402434), (2, 10201217), (13, 1569418), (26, 784709), (211, 96694), (422, 48347), (2743, 7438), (3719, 5486)]