20120681647

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1\times {\mathrm{1181}}^1$

素因数の和:1615

約数の個数: 32

約数和(自身を含む): 22717094400

約数和(自身を除く): 2596412753

約数列:

[1, 11, 43, 181, 199, 473, 1181, 1991, 2189, 7783, 8557, 12991, 36019, 50783, 85613, 94127, 213761, 235019, 396209, 558613, 1548817, 2351371, 2585209, 9191723, 10105817, 17036987, 42538439, 101108953, 111163987, 467922829, 1829152877, 20120681647]

約数ペア:

[(1, 20120681647), (11, 1829152877), (43, 467922829), (181, 111163987), (199, 101108953), (473, 42538439), (1181, 17036987), (1991, 10105817), (2189, 9191723), (7783, 2585209), (8557, 2351371), (12991, 1548817), (36019, 558613), (50783, 396209), (85613, 235019), (94127, 213761)]