20618708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{4831}}^1$

素因数の和:4943

約数の個数: 24

約数和(自身を含む): 39777024

約数和(自身を除く): 19158316

約数列:

[1, 2, 4, 11, 22, 44, 97, 194, 388, 1067, 2134, 4268, 4831, 9662, 19324, 53141, 106282, 212564, 468607, 937214, 1874428, 5154677, 10309354, 20618708]

約数ペア:

[(1, 20618708), (2, 10309354), (4, 5154677), (11, 1874428), (22, 937214), (44, 468607), (97, 212564), (194, 106282), (388, 53141), (1067, 19324), (2134, 9662), (4268, 4831)]