20804557728

素因数分解:

$2^5\times 3^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{491}}^1$

素因数の和:771

約数の個数: 192

約数和(自身を含む): 57290526720

約数和(自身を除く): 36485968992

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 74, 79, 96, 111, 148, 151, 158, 222, 237, 296, 302, 316, 444, 453, 474, 491, 592, 604, 632, 888, 906, 948, 982, 1184, 1208, 1264, 1473, 1776, 1812, 1896, 1964, 2416, 2528, 2923, 2946, 3552, 3624, 3792, 3928, 4832, 5587, 5846, 5892, 7248, 7584, 7856, 8769, 11174, 11692, 11784, 11929, 14496, 15712, 16761, 17538, 18167, 22348, 23384, 23568, 23858, 33522, 35076, 35787, 36334, 38789, 44696, 46768, 47136, 47716, 54501, 67044, 70152, 71574, 72668, 74141, 77578, 89392, 93536, 95432, 109002, 116367, 134088, 140304, 143148, 145336, 148282, 155156, 178784, 190864, 218004, 222423, 232734, 268176, 280608, 286296, 290672, 296564, 310312, 381728, 436008, 441373, 444846, 465468, 536352, 572592, 581344, 593128, 620624, 872016, 882746, 889692, 930936, 1145184, 1186256, 1241248, 1324119, 1435193, 1744032, 1765492, 1779384, 1861872, 2372512, 2648238, 2743217, 2870386, 3530984, 3558768, 3723744, 4305579, 5296476, 5486434, 5740772, 5857139, 7061968, 7117536, 8229651, 8611158, 10592952, 10972868, 11481544, 11714278, 14123936, 16459302, 17222316, 17571417, 21185904, 21945736, 22963088, 23428556, 32918604, 34444632, 35142834, 42371808, 43891472, 45926176, 46857112, 65837208, 68889264, 70285668, 87782944, 93714224, 131674416, 137778528, 140571336, 187428448, 216714143, 263348832, 281142672, 433428286, 562285344, 650142429, 866856572, 1300284858, 1733713144, 2600569716, 3467426288, 5201139432, 6934852576, 10402278864, 20804557728]

約数ペア:

[(1, 20804557728), (2, 10402278864), (3, 6934852576), (4, 5201139432), (6, 3467426288), (8, 2600569716), (12, 1733713144), (16, 1300284858), (24, 866856572), (32, 650142429), (37, 562285344), (48, 433428286), (74, 281142672), (79, 263348832), (96, 216714143), (111, 187428448), (148, 140571336), (151, 137778528), (158, 131674416), (222, 93714224), (237, 87782944), (296, 70285668), (302, 68889264), (316, 65837208), (444, 46857112), (453, 45926176), (474, 43891472), (491, 42371808), (592, 35142834), (604, 34444632), (632, 32918604), (888, 23428556), (906, 22963088), (948, 21945736), (982, 21185904), (1184, 17571417), (1208, 17222316), (1264, 16459302), (1473, 14123936), (1776, 11714278), (1812, 11481544), (1896, 10972868), (1964, 10592952), (2416, 8611158), (2528, 8229651), (2923, 7117536), (2946, 7061968), (3552, 5857139), (3624, 5740772), (3792, 5486434), (3928, 5296476), (4832, 4305579), (5587, 3723744), (5846, 3558768), (5892, 3530984), (7248, 2870386), (7584, 2743217), (7856, 2648238), (8769, 2372512), (11174, 1861872), (11692, 1779384), (11784, 1765492), (11929, 1744032), (14496, 1435193), (15712, 1324119), (16761, 1241248), (17538, 1186256), (18167, 1145184), (22348, 930936), (23384, 889692), (23568, 882746), (23858, 872016), (33522, 620624), (35076, 593128), (35787, 581344), (36334, 572592), (38789, 536352), (44696, 465468), (46768, 444846), (47136, 441373), (47716, 436008), (54501, 381728), (67044, 310312), (70152, 296564), (71574, 290672), (72668, 286296), (74141, 280608), (77578, 268176), (89392, 232734), (93536, 222423), (95432, 218004), (109002, 190864), (116367, 178784), (134088, 155156), (140304, 148282), (143148, 145336)]