20995265536

素因数分解:

$2^{10}\times 7^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{367}}^1$

素因数の和:764

約数の個数: 176

約数和(自身を含む): 50332225536

約数和(自身を除く): 29336960000

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 256, 322, 347, 367, 368, 448, 512, 644, 694, 734, 736, 896, 1024, 1288, 1388, 1468, 1472, 1792, 2429, 2569, 2576, 2776, 2936, 2944, 3584, 4858, 5138, 5152, 5552, 5872, 5888, 7168, 7981, 8441, 9716, 10276, 10304, 11104, 11744, 11776, 15962, 16882, 19432, 20552, 20608, 22208, 23488, 23552, 31924, 33764, 38864, 41104, 41216, 44416, 46976, 55867, 59087, 63848, 67528, 77728, 82208, 82432, 88832, 93952, 111734, 118174, 127349, 127696, 135056, 155456, 164416, 164864, 177664, 187904, 223468, 236348, 254698, 255392, 270112, 310912, 328832, 355328, 375808, 446936, 472696, 509396, 510784, 540224, 621824, 657664, 891443, 893872, 945392, 1018792, 1021568, 1080448, 1243648, 1315328, 1782886, 1787744, 1890784, 2037584, 2043136, 2160896, 2487296, 2630656, 2929027, 3565772, 3575488, 3781568, 4075168, 4086272, 4321792, 5858054, 7131544, 7150976, 7563136, 8150336, 8172544, 8643584, 11716108, 14263088, 14301952, 15126272, 16300672, 20503189, 23432216, 28526176, 28603904, 30252544, 32601344, 41006378, 46864432, 57052352, 57207808, 60505088, 65202688, 82012756, 93728864, 114104704, 130405376, 164025512, 187457728, 228209408, 328051024, 374915456, 456418816, 656102048, 749830912, 912837632, 1312204096, 1499661824, 2624408192, 2999323648, 5248816384, 10497632768, 20995265536]

約数ペア:

[(1, 20995265536), (2, 10497632768), (4, 5248816384), (7, 2999323648), (8, 2624408192), (14, 1499661824), (16, 1312204096), (23, 912837632), (28, 749830912), (32, 656102048), (46, 456418816), (56, 374915456), (64, 328051024), (92, 228209408), (112, 187457728), (128, 164025512), (161, 130405376), (184, 114104704), (224, 93728864), (256, 82012756), (322, 65202688), (347, 60505088), (367, 57207808), (368, 57052352), (448, 46864432), (512, 41006378), (644, 32601344), (694, 30252544), (734, 28603904), (736, 28526176), (896, 23432216), (1024, 20503189), (1288, 16300672), (1388, 15126272), (1468, 14301952), (1472, 14263088), (1792, 11716108), (2429, 8643584), (2569, 8172544), (2576, 8150336), (2776, 7563136), (2936, 7150976), (2944, 7131544), (3584, 5858054), (4858, 4321792), (5138, 4086272), (5152, 4075168), (5552, 3781568), (5872, 3575488), (5888, 3565772), (7168, 2929027), (7981, 2630656), (8441, 2487296), (9716, 2160896), (10276, 2043136), (10304, 2037584), (11104, 1890784), (11744, 1787744), (11776, 1782886), (15962, 1315328), (16882, 1243648), (19432, 1080448), (20552, 1021568), (20608, 1018792), (22208, 945392), (23488, 893872), (23552, 891443), (31924, 657664), (33764, 621824), (38864, 540224), (41104, 510784), (41216, 509396), (44416, 472696), (46976, 446936), (55867, 375808), (59087, 355328), (63848, 328832), (67528, 310912), (77728, 270112), (82208, 255392), (82432, 254698), (88832, 236348), (93952, 223468), (111734, 187904), (118174, 177664), (127349, 164864), (127696, 164416), (135056, 155456)]