20804462160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{379}}^1\times {\mathrm{691}}^1$

素因数の和:1417

約数の個数: 160

約数和(自身を含む): 64953223680

約数和(自身を除く): 44148761520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 331, 379, 662, 691, 758, 993, 1137, 1324, 1382, 1516, 1655, 1895, 1986, 2073, 2274, 2648, 2764, 3032, 3310, 3455, 3790, 3972, 4146, 4548, 4965, 5296, 5528, 5685, 6064, 6620, 6910, 7580, 7944, 8292, 9096, 9930, 10365, 11056, 11370, 13240, 13820, 15160, 15888, 16584, 18192, 19860, 20730, 22740, 26480, 27640, 30320, 33168, 39720, 41460, 45480, 55280, 79440, 82920, 90960, 125449, 165840, 228721, 250898, 261889, 376347, 457442, 501796, 523778, 627245, 686163, 752694, 785667, 914884, 1003592, 1047556, 1143605, 1254490, 1309445, 1372326, 1505388, 1571334, 1829768, 1881735, 2007184, 2095112, 2287210, 2508980, 2618890, 2744652, 3010776, 3142668, 3430815, 3659536, 3763470, 3928335, 4190224, 4574420, 5017960, 5237780, 5489304, 6021552, 6285336, 6861630, 7526940, 7856670, 9148840, 10035920, 10475560, 10978608, 12570672, 13723260, 15053880, 15713340, 18297680, 20951120, 27446520, 30107760, 31426680, 54893040, 62853360, 86685259, 173370518, 260055777, 346741036, 433426295, 520111554, 693482072, 866852590, 1040223108, 1300278885, 1386964144, 1733705180, 2080446216, 2600557770, 3467410360, 4160892432, 5201115540, 6934820720, 10402231080, 20804462160]

約数ペア:

[(1, 20804462160), (2, 10402231080), (3, 6934820720), (4, 5201115540), (5, 4160892432), (6, 3467410360), (8, 2600557770), (10, 2080446216), (12, 1733705180), (15, 1386964144), (16, 1300278885), (20, 1040223108), (24, 866852590), (30, 693482072), (40, 520111554), (48, 433426295), (60, 346741036), (80, 260055777), (120, 173370518), (240, 86685259), (331, 62853360), (379, 54893040), (662, 31426680), (691, 30107760), (758, 27446520), (993, 20951120), (1137, 18297680), (1324, 15713340), (1382, 15053880), (1516, 13723260), (1655, 12570672), (1895, 10978608), (1986, 10475560), (2073, 10035920), (2274, 9148840), (2648, 7856670), (2764, 7526940), (3032, 6861630), (3310, 6285336), (3455, 6021552), (3790, 5489304), (3972, 5237780), (4146, 5017960), (4548, 4574420), (4965, 4190224), (5296, 3928335), (5528, 3763470), (5685, 3659536), (6064, 3430815), (6620, 3142668), (6910, 3010776), (7580, 2744652), (7944, 2618890), (8292, 2508980), (9096, 2287210), (9930, 2095112), (10365, 2007184), (11056, 1881735), (11370, 1829768), (13240, 1571334), (13820, 1505388), (15160, 1372326), (15888, 1309445), (16584, 1254490), (18192, 1143605), (19860, 1047556), (20730, 1003592), (22740, 914884), (26480, 785667), (27640, 752694), (30320, 686163), (33168, 627245), (39720, 523778), (41460, 501796), (45480, 457442), (55280, 376347), (79440, 261889), (82920, 250898), (90960, 228721), (125449, 165840)]