20996957564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{12109}}^1\times {\mathrm{39409}}^1$

素因数の和:51533

約数の個数: 24

約数和(自身を含む): 40089428400

約数和(自身を除く): 19092470836

約数列:

[1, 2, 4, 11, 22, 44, 12109, 24218, 39409, 48436, 78818, 133199, 157636, 266398, 433499, 532796, 866998, 1733996, 477203581, 954407162, 1908814324, 5249239391, 10498478782, 20996957564]

約数ペア:

[(1, 20996957564), (2, 10498478782), (4, 5249239391), (11, 1908814324), (22, 954407162), (44, 477203581), (12109, 1733996), (24218, 866998), (39409, 532796), (48436, 433499), (78818, 266398), (133199, 157636)]