20137281615

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{163}}^1\times {\mathrm{2521}}^1$

素因数の和:2723

約数の個数: 120

約数和(自身を含む): 39937161264

約数和(自身を除く): 19799879649

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 121, 135, 163, 165, 297, 363, 405, 489, 495, 605, 815, 891, 1089, 1467, 1485, 1793, 1815, 2445, 2521, 3267, 4401, 4455, 5379, 5445, 7335, 7563, 8965, 9801, 12605, 13203, 16137, 16335, 19723, 22005, 22689, 26895, 27731, 37815, 48411, 49005, 59169, 66015, 68067, 80685, 83193, 98615, 113445, 138655, 145233, 177507, 204201, 242055, 249579, 295845, 305041, 340335, 410923, 415965, 532521, 726165, 748737, 887535, 915123, 1021005, 1232769, 1247895, 1525205, 1597563, 2054615, 2246211, 2662605, 2745369, 3698307, 3743685, 4520153, 4575615, 6163845, 7987815, 8236107, 11094921, 11231055, 13560459, 13726845, 18491535, 22600765, 24708321, 33284763, 40681377, 41180535, 49721683, 55474605, 67802295, 122044131, 123541605, 149165049, 166423815, 203406885, 248608415, 366132393, 447495147, 610220655, 745825245, 1342485441, 1830661965, 2237475735, 4027456323, 6712427205, 20137281615]

約数ペア:

[(1, 20137281615), (3, 6712427205), (5, 4027456323), (9, 2237475735), (11, 1830661965), (15, 1342485441), (27, 745825245), (33, 610220655), (45, 447495147), (55, 366132393), (81, 248608415), (99, 203406885), (121, 166423815), (135, 149165049), (163, 123541605), (165, 122044131), (297, 67802295), (363, 55474605), (405, 49721683), (489, 41180535), (495, 40681377), (605, 33284763), (815, 24708321), (891, 22600765), (1089, 18491535), (1467, 13726845), (1485, 13560459), (1793, 11231055), (1815, 11094921), (2445, 8236107), (2521, 7987815), (3267, 6163845), (4401, 4575615), (4455, 4520153), (5379, 3743685), (5445, 3698307), (7335, 2745369), (7563, 2662605), (8965, 2246211), (9801, 2054615), (12605, 1597563), (13203, 1525205), (16137, 1247895), (16335, 1232769), (19723, 1021005), (22005, 915123), (22689, 887535), (26895, 748737), (27731, 726165), (37815, 532521), (48411, 415965), (49005, 410923), (59169, 340335), (66015, 305041), (68067, 295845), (80685, 249579), (83193, 242055), (98615, 204201), (113445, 177507), (138655, 145233)]