20970297933

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{701}}^1\times {\mathrm{20731}}^1$

素因数の和:21485

約数の個数: 32

約数和(自身を含む): 30970622592

約数和(自身を除く): 10000324659

約数列:

[1, 3, 13, 37, 39, 111, 481, 701, 1443, 2103, 9113, 20731, 25937, 27339, 62193, 77811, 269503, 337181, 767047, 808509, 1011543, 2301141, 9971611, 14532431, 29914833, 43597293, 188921603, 537699947, 566764809, 1613099841, 6990099311, 20970297933]

約数ペア:

[(1, 20970297933), (3, 6990099311), (13, 1613099841), (37, 566764809), (39, 537699947), (111, 188921603), (481, 43597293), (701, 29914833), (1443, 14532431), (2103, 9971611), (9113, 2301141), (20731, 1011543), (25937, 808509), (27339, 767047), (62193, 337181), (77811, 269503)]