20218993911

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{15053}}^1\times {\mathrm{8779}}^1$

素因数の和:23855

約数の個数: 24

約数和(自身を含む): 30928744080

約数和(自身を除く): 10709750169

約数列:

[1, 3, 9, 17, 51, 153, 8779, 15053, 26337, 45159, 79011, 135477, 149243, 255901, 447729, 767703, 1343187, 2303109, 132150287, 396450861, 1189352583, 2246554879, 6739664637, 20218993911]

約数ペア:

[(1, 20218993911), (3, 6739664637), (9, 2246554879), (17, 1189352583), (51, 396450861), (153, 132150287), (8779, 2303109), (15053, 1343187), (26337, 767703), (45159, 447729), (79011, 255901), (135477, 149243)]