20997482012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{701}}^1\times {\mathrm{576031}}^1$

素因数の和:576749

約数の個数: 24

約数和(自身を含む): 39628697472

約数和(自身を除く): 18631215460

約数列:

[1, 2, 4, 13, 26, 52, 701, 1402, 2804, 9113, 18226, 36452, 576031, 1152062, 2304124, 7488403, 14976806, 29953612, 403797731, 807595462, 1615190924, 5249370503, 10498741006, 20997482012]

約数ペア:

[(1, 20997482012), (2, 10498741006), (4, 5249370503), (13, 1615190924), (26, 807595462), (52, 403797731), (701, 29953612), (1402, 14976806), (2804, 7488403), (9113, 2304124), (18226, 1152062), (36452, 576031)]