20540938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 35720640

約数和(自身を除く): 15179702

約数列:

[1, 2, 11, 19, 22, 38, 157, 209, 313, 314, 418, 626, 1727, 2983, 3443, 3454, 5947, 5966, 6886, 11894, 32813, 49141, 65417, 65626, 98282, 130834, 540551, 933679, 1081102, 1867358, 10270469, 20540938]

約数ペア:

[(1, 20540938), (2, 10270469), (11, 1867358), (19, 1081102), (22, 933679), (38, 540551), (157, 130834), (209, 98282), (313, 65626), (314, 65417), (418, 49141), (626, 32813), (1727, 11894), (2983, 6886), (3443, 5966), (3454, 5947)]