20394955728

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{1123}}^1$

素因数の和:1606

約数の個数: 240

約数和(自身を含む): 66967380480

約数和(自身を除く): 46572424752

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 43, 48, 56, 63, 72, 84, 86, 112, 126, 129, 144, 168, 172, 252, 258, 301, 336, 344, 387, 419, 504, 516, 602, 688, 774, 838, 903, 1008, 1032, 1123, 1204, 1257, 1548, 1676, 1806, 2064, 2246, 2408, 2514, 2709, 2933, 3096, 3352, 3369, 3612, 3771, 4492, 4816, 5028, 5418, 5866, 6192, 6704, 6738, 7224, 7542, 7861, 8799, 8984, 10056, 10107, 10836, 11732, 13476, 14448, 15084, 15722, 17598, 17968, 18017, 20112, 20214, 21672, 23464, 23583, 26397, 26952, 30168, 31444, 35196, 36034, 40428, 43344, 46928, 47166, 48289, 52794, 53904, 54051, 60336, 62888, 70392, 70749, 72068, 80856, 94332, 96578, 105588, 108102, 125776, 126119, 140784, 141498, 144136, 144867, 161712, 162153, 188664, 193156, 211176, 216204, 252238, 282996, 288272, 289734, 324306, 338023, 377328, 378357, 386312, 422352, 432408, 434601, 470537, 504476, 565992, 579468, 648612, 676046, 756714, 772624, 864816, 869202, 941074, 1008952, 1014069, 1131984, 1135071, 1158936, 1297224, 1352092, 1411611, 1513428, 1738404, 1882148, 2017904, 2028138, 2270142, 2317872, 2594448, 2704184, 2823222, 3026856, 3042207, 3293759, 3476808, 3764296, 4056276, 4234833, 4540284, 5408368, 5646444, 6053712, 6084414, 6587518, 6953616, 7528592, 8112552, 8469666, 9080568, 9881277, 11292888, 12168828, 13175036, 16225104, 16939332, 18161136, 19762554, 20233091, 22585776, 24337656, 26350072, 29643831, 33878664, 39525108, 40466182, 48675312, 52700144, 59287662, 60699273, 67757328, 79050216, 80932364, 118575324, 121398546, 141631637, 158100432, 161864728, 182097819, 237150648, 242797092, 283263274, 323729456, 364195638, 424894911, 474301296, 485594184, 566526548, 728391276, 849789822, 971188368, 1133053096, 1274684733, 1456782552, 1699579644, 2266106192, 2549369466, 2913565104, 3399159288, 5098738932, 6798318576, 10197477864, 20394955728]

約数ペア:

[(1, 20394955728), (2, 10197477864), (3, 6798318576), (4, 5098738932), (6, 3399159288), (7, 2913565104), (8, 2549369466), (9, 2266106192), (12, 1699579644), (14, 1456782552), (16, 1274684733), (18, 1133053096), (21, 971188368), (24, 849789822), (28, 728391276), (36, 566526548), (42, 485594184), (43, 474301296), (48, 424894911), (56, 364195638), (63, 323729456), (72, 283263274), (84, 242797092), (86, 237150648), (112, 182097819), (126, 161864728), (129, 158100432), (144, 141631637), (168, 121398546), (172, 118575324), (252, 80932364), (258, 79050216), (301, 67757328), (336, 60699273), (344, 59287662), (387, 52700144), (419, 48675312), (504, 40466182), (516, 39525108), (602, 33878664), (688, 29643831), (774, 26350072), (838, 24337656), (903, 22585776), (1008, 20233091), (1032, 19762554), (1123, 18161136), (1204, 16939332), (1257, 16225104), (1548, 13175036), (1676, 12168828), (1806, 11292888), (2064, 9881277), (2246, 9080568), (2408, 8469666), (2514, 8112552), (2709, 7528592), (2933, 6953616), (3096, 6587518), (3352, 6084414), (3369, 6053712), (3612, 5646444), (3771, 5408368), (4492, 4540284), (4816, 4234833), (5028, 4056276), (5418, 3764296), (5866, 3476808), (6192, 3293759), (6704, 3042207), (6738, 3026856), (7224, 2823222), (7542, 2704184), (7861, 2594448), (8799, 2317872), (8984, 2270142), (10056, 2028138), (10107, 2017904), (10836, 1882148), (11732, 1738404), (13476, 1513428), (14448, 1411611), (15084, 1352092), (15722, 1297224), (17598, 1158936), (17968, 1135071), (18017, 1131984), (20112, 1014069), (20214, 1008952), (21672, 941074), (23464, 869202), (23583, 864816), (26397, 772624), (26952, 756714), (30168, 676046), (31444, 648612), (35196, 579468), (36034, 565992), (40428, 504476), (43344, 470537), (46928, 434601), (47166, 432408), (48289, 422352), (52794, 386312), (53904, 378357), (54051, 377328), (60336, 338023), (62888, 324306), (70392, 289734), (70749, 288272), (72068, 282996), (80856, 252238), (94332, 216204), (96578, 211176), (105588, 193156), (108102, 188664), (125776, 162153), (126119, 161712), (140784, 144867), (141498, 144136)]