20145990590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{1087}}^1$

素因数の和:1203

約数の個数: 144

約数和(自身を含む): 43180252416

約数和(自身を除く): 23034261826

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 53, 55, 85, 106, 110, 121, 170, 187, 242, 265, 289, 374, 530, 578, 583, 605, 901, 935, 1087, 1166, 1210, 1445, 1802, 1870, 2057, 2174, 2890, 2915, 3179, 4114, 4505, 5435, 5830, 6358, 6413, 9010, 9911, 10285, 10870, 11957, 12826, 15317, 15895, 18479, 19822, 20570, 23914, 30634, 31790, 32065, 34969, 36958, 49555, 57611, 59785, 64130, 69938, 76585, 92395, 99110, 109021, 115222, 119570, 131527, 153170, 168487, 174845, 184790, 203269, 218042, 263054, 288055, 314143, 336974, 349690, 406538, 545105, 576110, 628286, 633721, 657635, 842435, 979387, 1016345, 1090210, 1267442, 1315270, 1570715, 1684870, 1853357, 1958774, 2032690, 2235959, 3141430, 3168605, 3455573, 3706714, 4471918, 4896935, 6337210, 6911146, 6970931, 9266785, 9793870, 10773257, 11179795, 13941862, 16649579, 17277865, 18533570, 21546514, 22359590, 33299158, 34555730, 34854655, 38011303, 53866285, 69709310, 76022606, 83247895, 107732570, 118505827, 166495790, 183145369, 190056515, 237011654, 366290738, 380113030, 592529135, 915726845, 1185058270, 1831453690, 2014599059, 4029198118, 10072995295, 20145990590]

約数ペア:

[(1, 20145990590), (2, 10072995295), (5, 4029198118), (10, 2014599059), (11, 1831453690), (17, 1185058270), (22, 915726845), (34, 592529135), (53, 380113030), (55, 366290738), (85, 237011654), (106, 190056515), (110, 183145369), (121, 166495790), (170, 118505827), (187, 107732570), (242, 83247895), (265, 76022606), (289, 69709310), (374, 53866285), (530, 38011303), (578, 34854655), (583, 34555730), (605, 33299158), (901, 22359590), (935, 21546514), (1087, 18533570), (1166, 17277865), (1210, 16649579), (1445, 13941862), (1802, 11179795), (1870, 10773257), (2057, 9793870), (2174, 9266785), (2890, 6970931), (2915, 6911146), (3179, 6337210), (4114, 4896935), (4505, 4471918), (5435, 3706714), (5830, 3455573), (6358, 3168605), (6413, 3141430), (9010, 2235959), (9911, 2032690), (10285, 1958774), (10870, 1853357), (11957, 1684870), (12826, 1570715), (15317, 1315270), (15895, 1267442), (18479, 1090210), (19822, 1016345), (20570, 979387), (23914, 842435), (30634, 657635), (31790, 633721), (32065, 628286), (34969, 576110), (36958, 545105), (49555, 406538), (57611, 349690), (59785, 336974), (64130, 314143), (69938, 288055), (76585, 263054), (92395, 218042), (99110, 203269), (109021, 184790), (115222, 174845), (119570, 168487), (131527, 153170)]