20731623984

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:704

約数の個数: 240

約数和(自身を含む): 61281792000

約数和(自身を除く): 40550168016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 71, 72, 93, 124, 142, 144, 149, 186, 213, 248, 279, 284, 298, 372, 426, 439, 447, 496, 558, 568, 596, 639, 744, 852, 878, 894, 1116, 1136, 1192, 1278, 1317, 1341, 1488, 1704, 1756, 1788, 2201, 2232, 2384, 2556, 2634, 2682, 3408, 3512, 3576, 3951, 4402, 4464, 4619, 5112, 5268, 5364, 6603, 7024, 7152, 7902, 8804, 9238, 10224, 10536, 10579, 10728, 13206, 13609, 13857, 15804, 17608, 18476, 19809, 21072, 21158, 21456, 26412, 27218, 27714, 31169, 31608, 31737, 35216, 36952, 39618, 40827, 41571, 42316, 52824, 54436, 55428, 62338, 63216, 63474, 65411, 73904, 79236, 81654, 83142, 84632, 93507, 95211, 105648, 108872, 110856, 122481, 124676, 126948, 130822, 158472, 163308, 166284, 169264, 187014, 190422, 196233, 217744, 221712, 244962, 249352, 253896, 261644, 280521, 316944, 326616, 327949, 332568, 374028, 380844, 392466, 489924, 498704, 507792, 523288, 561042, 588699, 653232, 655898, 665136, 748056, 761688, 784932, 966239, 979848, 983847, 1046576, 1122084, 1177398, 1311796, 1496112, 1523376, 1569864, 1932478, 1959696, 1967694, 2027741, 2244168, 2354796, 2623592, 2898717, 2951541, 3139728, 3864956, 3935388, 4055482, 4488336, 4644181, 4709592, 5247184, 5797434, 5903082, 6083223, 7729912, 7870776, 8110964, 8696151, 9288362, 9419184, 11594868, 11806164, 12166446, 13932543, 15459824, 15741552, 16221928, 17392302, 18249669, 18576724, 23189736, 23612328, 24332892, 27865086, 32443856, 34784604, 36499338, 37153448, 41797629, 46379472, 47224656, 48665784, 55730172, 69569208, 72998676, 74306896, 83595258, 97331568, 111460344, 139138416, 143969611, 145997352, 167190516, 222920688, 287939222, 291994704, 334381032, 431908833, 575878444, 668762064, 863817666, 1151756888, 1295726499, 1727635332, 2303513776, 2591452998, 3455270664, 5182905996, 6910541328, 10365811992, 20731623984]

約数ペア:

[(1, 20731623984), (2, 10365811992), (3, 6910541328), (4, 5182905996), (6, 3455270664), (8, 2591452998), (9, 2303513776), (12, 1727635332), (16, 1295726499), (18, 1151756888), (24, 863817666), (31, 668762064), (36, 575878444), (48, 431908833), (62, 334381032), (71, 291994704), (72, 287939222), (93, 222920688), (124, 167190516), (142, 145997352), (144, 143969611), (149, 139138416), (186, 111460344), (213, 97331568), (248, 83595258), (279, 74306896), (284, 72998676), (298, 69569208), (372, 55730172), (426, 48665784), (439, 47224656), (447, 46379472), (496, 41797629), (558, 37153448), (568, 36499338), (596, 34784604), (639, 32443856), (744, 27865086), (852, 24332892), (878, 23612328), (894, 23189736), (1116, 18576724), (1136, 18249669), (1192, 17392302), (1278, 16221928), (1317, 15741552), (1341, 15459824), (1488, 13932543), (1704, 12166446), (1756, 11806164), (1788, 11594868), (2201, 9419184), (2232, 9288362), (2384, 8696151), (2556, 8110964), (2634, 7870776), (2682, 7729912), (3408, 6083223), (3512, 5903082), (3576, 5797434), (3951, 5247184), (4402, 4709592), (4464, 4644181), (4619, 4488336), (5112, 4055482), (5268, 3935388), (5364, 3864956), (6603, 3139728), (7024, 2951541), (7152, 2898717), (7902, 2623592), (8804, 2354796), (9238, 2244168), (10224, 2027741), (10536, 1967694), (10579, 1959696), (10728, 1932478), (13206, 1569864), (13609, 1523376), (13857, 1496112), (15804, 1311796), (17608, 1177398), (18476, 1122084), (19809, 1046576), (21072, 983847), (21158, 979848), (21456, 966239), (26412, 784932), (27218, 761688), (27714, 748056), (31169, 665136), (31608, 655898), (31737, 653232), (35216, 588699), (36952, 561042), (39618, 523288), (40827, 507792), (41571, 498704), (42316, 489924), (52824, 392466), (54436, 380844), (55428, 374028), (62338, 332568), (63216, 327949), (63474, 326616), (65411, 316944), (73904, 280521), (79236, 261644), (81654, 253896), (83142, 249352), (84632, 244962), (93507, 221712), (95211, 217744), (105648, 196233), (108872, 190422), (110856, 187014), (122481, 169264), (124676, 166284), (126948, 163308), (130822, 158472)]