20724581636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{929}}^1$

素因数の和:1245

約数の個数: 96

約数和(自身を含む): 41464846080

約数和(自身を除く): 20740264444

約数列:

[1, 2, 4, 11, 22, 37, 44, 71, 74, 142, 148, 193, 284, 386, 407, 772, 781, 814, 929, 1562, 1628, 1858, 2123, 2627, 3124, 3716, 4246, 5254, 7141, 8492, 10219, 10508, 13703, 14282, 20438, 27406, 28564, 28897, 34373, 40876, 54812, 57794, 65959, 68746, 78551, 115588, 131918, 137492, 150733, 157102, 179297, 263836, 301466, 314204, 358594, 378103, 507011, 602932, 717188, 725549, 756206, 1014022, 1451098, 1512412, 1972267, 2028044, 2440483, 2902196, 3944534, 4880966, 5577121, 6633989, 7889068, 9761932, 11154242, 12730087, 13267978, 22308484, 25460174, 26535956, 26845313, 50920348, 53690626, 72973879, 107381252, 140030957, 145947758, 280061914, 291895516, 471013219, 560123828, 942026438, 1884052876, 5181145409, 10362290818, 20724581636]

約数ペア:

[(1, 20724581636), (2, 10362290818), (4, 5181145409), (11, 1884052876), (22, 942026438), (37, 560123828), (44, 471013219), (71, 291895516), (74, 280061914), (142, 145947758), (148, 140030957), (193, 107381252), (284, 72973879), (386, 53690626), (407, 50920348), (772, 26845313), (781, 26535956), (814, 25460174), (929, 22308484), (1562, 13267978), (1628, 12730087), (1858, 11154242), (2123, 9761932), (2627, 7889068), (3124, 6633989), (3716, 5577121), (4246, 4880966), (5254, 3944534), (7141, 2902196), (8492, 2440483), (10219, 2028044), (10508, 1972267), (13703, 1512412), (14282, 1451098), (20438, 1014022), (27406, 756206), (28564, 725549), (28897, 717188), (34373, 602932), (40876, 507011), (54812, 378103), (57794, 358594), (65959, 314204), (68746, 301466), (78551, 263836), (115588, 179297), (131918, 157102), (137492, 150733)]