20996932

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7823}}^1$

素因数の和:7899

約数の個数: 24

約数和(自身を含む): 40747392

約数和(自身を除く): 19750460

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 7823, 15646, 31292, 86053, 172106, 344212, 477203, 954406, 1908812, 5249233, 10498466, 20996932]

約数ペア:

[(1, 20996932), (2, 10498466), (4, 5249233), (11, 1908812), (22, 954406), (44, 477203), (61, 344212), (122, 172106), (244, 86053), (671, 31292), (1342, 15646), (2684, 7823)]