20890586

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{11593}}^1$

素因数の和:11665

約数の個数: 16

約数和(自身を含む): 33808104

約数和(自身を除く): 12917518

約数列:

[1, 2, 17, 34, 53, 106, 901, 1802, 11593, 23186, 197081, 394162, 614429, 1228858, 10445293, 20890586]

約数ペア:

[(1, 20890586), (2, 10445293), (17, 1228858), (34, 614429), (53, 394162), (106, 197081), (901, 23186), (1802, 11593)]