20661630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:194

約数の個数: 128

約数和(自身を含む): 59719680

約数和(自身を除く): 39058050

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 22, 29, 30, 33, 34, 51, 55, 58, 66, 85, 87, 102, 110, 127, 145, 165, 170, 174, 187, 254, 255, 290, 319, 330, 374, 381, 435, 493, 510, 561, 635, 638, 762, 870, 935, 957, 986, 1122, 1270, 1397, 1479, 1595, 1870, 1905, 1914, 2159, 2465, 2794, 2805, 2958, 3190, 3683, 3810, 4191, 4318, 4785, 4930, 5423, 5610, 6477, 6985, 7366, 7395, 8382, 9570, 10795, 10846, 11049, 12954, 13970, 14790, 16269, 18415, 20955, 21590, 22098, 23749, 27115, 32385, 32538, 36830, 40513, 41910, 47498, 54230, 55245, 62611, 64770, 71247, 81026, 81345, 110490, 118745, 121539, 125222, 142494, 162690, 187833, 202565, 237490, 243078, 313055, 356235, 375666, 405130, 607695, 626110, 688721, 712470, 939165, 1215390, 1377442, 1878330, 2066163, 3443605, 4132326, 6887210, 10330815, 20661630]

約数ペア:

[(1, 20661630), (2, 10330815), (3, 6887210), (5, 4132326), (6, 3443605), (10, 2066163), (11, 1878330), (15, 1377442), (17, 1215390), (22, 939165), (29, 712470), (30, 688721), (33, 626110), (34, 607695), (51, 405130), (55, 375666), (58, 356235), (66, 313055), (85, 243078), (87, 237490), (102, 202565), (110, 187833), (127, 162690), (145, 142494), (165, 125222), (170, 121539), (174, 118745), (187, 110490), (254, 81345), (255, 81026), (290, 71247), (319, 64770), (330, 62611), (374, 55245), (381, 54230), (435, 47498), (493, 41910), (510, 40513), (561, 36830), (635, 32538), (638, 32385), (762, 27115), (870, 23749), (935, 22098), (957, 21590), (986, 20955), (1122, 18415), (1270, 16269), (1397, 14790), (1479, 13970), (1595, 12954), (1870, 11049), (1905, 10846), (1914, 10795), (2159, 9570), (2465, 8382), (2794, 7395), (2805, 7366), (2958, 6985), (3190, 6477), (3683, 5610), (3810, 5423), (4191, 4930), (4318, 4785)]