20538521608

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{21217481}}^1$

素因数の和:21217509

約数の個数: 24

約数和(自身を含む): 42328876590

約数和(自身を除く): 21790354982

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 21217481, 42434962, 84869924, 169739848, 233392291, 466784582, 933569164, 1867138328, 2567315201, 5134630402, 10269260804, 20538521608]

約数ペア:

[(1, 20538521608), (2, 10269260804), (4, 5134630402), (8, 2567315201), (11, 1867138328), (22, 933569164), (44, 466784582), (88, 233392291), (121, 169739848), (242, 84869924), (484, 42434962), (968, 21217481)]