20536804080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{4397}}^1$

素因数の和:4928

約数の個数: 240

約数和(自身を含む): 74440548000

約数和(自身を除く): 53903743920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 499, 520, 585, 624, 720, 780, 936, 998, 1040, 1170, 1497, 1560, 1872, 1996, 2340, 2495, 2994, 3120, 3992, 4397, 4491, 4680, 4990, 5988, 6487, 7485, 7984, 8794, 8982, 9360, 9980, 11976, 12974, 13191, 14970, 17588, 17964, 19461, 19960, 21985, 22455, 23952, 25948, 26382, 29940, 32435, 35176, 35928, 38922, 39573, 39920, 43970, 44910, 51896, 52764, 57161, 58383, 59880, 64870, 65955, 70352, 71856, 77844, 79146, 87940, 89820, 97305, 103792, 105528, 114322, 116766, 119760, 129740, 131910, 155688, 158292, 171483, 175880, 179640, 194610, 197865, 211056, 228644, 233532, 259480, 263820, 285805, 291915, 311376, 316584, 342966, 351760, 359280, 389220, 395730, 457288, 467064, 514449, 518960, 527640, 571610, 583830, 633168, 685932, 778440, 791460, 857415, 914576, 934128, 1028898, 1055280, 1143220, 1167660, 1371864, 1556880, 1582920, 1714830, 2057796, 2194103, 2286440, 2335320, 2572245, 2743728, 3165840, 3429660, 4115592, 4388206, 4572880, 4670640, 5144490, 6582309, 6859320, 8231184, 8776412, 10288980, 10970515, 13164618, 13718640, 17552824, 19746927, 20577960, 21941030, 26329236, 28523339, 32911545, 35105648, 39493854, 41155920, 43882060, 52658472, 57046678, 65823090, 78987708, 85570017, 87764120, 98734635, 105316944, 114093356, 131646180, 142616695, 157975416, 171140034, 175528240, 197469270, 228186712, 256710051, 263292360, 285233390, 315950832, 342280068, 394938540, 427850085, 456373424, 513420102, 526584720, 570466780, 684560136, 789877080, 855700170, 1026840204, 1140933560, 1283550255, 1369120272, 1579754160, 1711400340, 2053680408, 2281867120, 2567100510, 3422800680, 4107360816, 5134201020, 6845601360, 10268402040, 20536804080]

約数ペア:

[(1, 20536804080), (2, 10268402040), (3, 6845601360), (4, 5134201020), (5, 4107360816), (6, 3422800680), (8, 2567100510), (9, 2281867120), (10, 2053680408), (12, 1711400340), (13, 1579754160), (15, 1369120272), (16, 1283550255), (18, 1140933560), (20, 1026840204), (24, 855700170), (26, 789877080), (30, 684560136), (36, 570466780), (39, 526584720), (40, 513420102), (45, 456373424), (48, 427850085), (52, 394938540), (60, 342280068), (65, 315950832), (72, 285233390), (78, 263292360), (80, 256710051), (90, 228186712), (104, 197469270), (117, 175528240), (120, 171140034), (130, 157975416), (144, 142616695), (156, 131646180), (180, 114093356), (195, 105316944), (208, 98734635), (234, 87764120), (240, 85570017), (260, 78987708), (312, 65823090), (360, 57046678), (390, 52658472), (468, 43882060), (499, 41155920), (520, 39493854), (585, 35105648), (624, 32911545), (720, 28523339), (780, 26329236), (936, 21941030), (998, 20577960), (1040, 19746927), (1170, 17552824), (1497, 13718640), (1560, 13164618), (1872, 10970515), (1996, 10288980), (2340, 8776412), (2495, 8231184), (2994, 6859320), (3120, 6582309), (3992, 5144490), (4397, 4670640), (4491, 4572880), (4680, 4388206), (4990, 4115592), (5988, 3429660), (6487, 3165840), (7485, 2743728), (7984, 2572245), (8794, 2335320), (8982, 2286440), (9360, 2194103), (9980, 2057796), (11976, 1714830), (12974, 1582920), (13191, 1556880), (14970, 1371864), (17588, 1167660), (17964, 1143220), (19461, 1055280), (19960, 1028898), (21985, 934128), (22455, 914576), (23952, 857415), (25948, 791460), (26382, 778440), (29940, 685932), (32435, 633168), (35176, 583830), (35928, 571610), (38922, 527640), (39573, 518960), (39920, 514449), (43970, 467064), (44910, 457288), (51896, 395730), (52764, 389220), (57161, 359280), (58383, 351760), (59880, 342966), (64870, 316584), (65955, 311376), (70352, 291915), (71856, 285805), (77844, 263820), (79146, 259480), (87940, 233532), (89820, 228644), (97305, 211056), (103792, 197865), (105528, 194610), (114322, 179640), (116766, 175880), (119760, 171483), (129740, 158292), (131910, 155688)]