20701798

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{5273}}^1$

素因数の和:5439

約数の個数: 16

約数和(自身を含む): 33669216

約数和(自身を除く): 12967418

約数列:

[1, 2, 13, 26, 151, 302, 1963, 3926, 5273, 10546, 68549, 137098, 796223, 1592446, 10350899, 20701798]

約数ペア:

[(1, 20701798), (2, 10350899), (13, 1592446), (26, 796223), (151, 137098), (302, 68549), (1963, 10546), (3926, 5273)]