20512991616

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:617

約数の個数: 256

約数和(自身を含む): 60126796800

約数和(自身を除く): 39613805184

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 59, 64, 78, 96, 104, 118, 128, 156, 177, 192, 208, 236, 257, 271, 312, 354, 384, 416, 472, 514, 542, 624, 708, 767, 771, 813, 832, 944, 1028, 1084, 1248, 1416, 1534, 1542, 1626, 1664, 1888, 2056, 2168, 2301, 2496, 2832, 3068, 3084, 3252, 3341, 3523, 3776, 4112, 4336, 4602, 4992, 5664, 6136, 6168, 6504, 6682, 7046, 7552, 8224, 8672, 9204, 10023, 10569, 11328, 12272, 12336, 13008, 13364, 14092, 15163, 15989, 16448, 17344, 18408, 20046, 21138, 22656, 24544, 24672, 26016, 26728, 28184, 30326, 31978, 32896, 34688, 36816, 40092, 42276, 45489, 47967, 49088, 49344, 52032, 53456, 56368, 60652, 63956, 69647, 73632, 80184, 84552, 90978, 95934, 98176, 98688, 104064, 106912, 112736, 121304, 127912, 139294, 147264, 160368, 169104, 181956, 191868, 197119, 207857, 208941, 213824, 225472, 242608, 255824, 278588, 294528, 320736, 338208, 363912, 383736, 394238, 415714, 417882, 427648, 450944, 485216, 511648, 557176, 591357, 623571, 641472, 676416, 727824, 767472, 788476, 831428, 835764, 905411, 970432, 1023296, 1114352, 1182714, 1247142, 1282944, 1352832, 1455648, 1534944, 1576952, 1662856, 1671528, 1810822, 1940864, 2046592, 2228704, 2365428, 2494284, 2716233, 2911296, 3069888, 3153904, 3325712, 3343056, 3621644, 4109173, 4457408, 4730856, 4988568, 5432466, 5822592, 6139776, 6307808, 6651424, 6686112, 7243288, 8218346, 8914816, 9461712, 9977136, 10864932, 12327519, 12615616, 13302848, 13372224, 14486576, 16436692, 18923424, 19954272, 21729864, 24655038, 25231232, 26605696, 26744448, 28973152, 32873384, 37846848, 39908544, 43459728, 49310076, 53419249, 57946304, 65746768, 75693696, 79817088, 86919456, 98620152, 106838498, 115892608, 131493536, 160257747, 173838912, 197240304, 213676996, 262987072, 320515494, 347677824, 394480608, 427353992, 525974144, 641030988, 788961216, 854707984, 1282061976, 1577922432, 1709415968, 2564123952, 3418831936, 5128247904, 6837663872, 10256495808, 20512991616]

約数ペア:

[(1, 20512991616), (2, 10256495808), (3, 6837663872), (4, 5128247904), (6, 3418831936), (8, 2564123952), (12, 1709415968), (13, 1577922432), (16, 1282061976), (24, 854707984), (26, 788961216), (32, 641030988), (39, 525974144), (48, 427353992), (52, 394480608), (59, 347677824), (64, 320515494), (78, 262987072), (96, 213676996), (104, 197240304), (118, 173838912), (128, 160257747), (156, 131493536), (177, 115892608), (192, 106838498), (208, 98620152), (236, 86919456), (257, 79817088), (271, 75693696), (312, 65746768), (354, 57946304), (384, 53419249), (416, 49310076), (472, 43459728), (514, 39908544), (542, 37846848), (624, 32873384), (708, 28973152), (767, 26744448), (771, 26605696), (813, 25231232), (832, 24655038), (944, 21729864), (1028, 19954272), (1084, 18923424), (1248, 16436692), (1416, 14486576), (1534, 13372224), (1542, 13302848), (1626, 12615616), (1664, 12327519), (1888, 10864932), (2056, 9977136), (2168, 9461712), (2301, 8914816), (2496, 8218346), (2832, 7243288), (3068, 6686112), (3084, 6651424), (3252, 6307808), (3341, 6139776), (3523, 5822592), (3776, 5432466), (4112, 4988568), (4336, 4730856), (4602, 4457408), (4992, 4109173), (5664, 3621644), (6136, 3343056), (6168, 3325712), (6504, 3153904), (6682, 3069888), (7046, 2911296), (7552, 2716233), (8224, 2494284), (8672, 2365428), (9204, 2228704), (10023, 2046592), (10569, 1940864), (11328, 1810822), (12272, 1671528), (12336, 1662856), (13008, 1576952), (13364, 1534944), (14092, 1455648), (15163, 1352832), (15989, 1282944), (16448, 1247142), (17344, 1182714), (18408, 1114352), (20046, 1023296), (21138, 970432), (22656, 905411), (24544, 835764), (24672, 831428), (26016, 788476), (26728, 767472), (28184, 727824), (30326, 676416), (31978, 641472), (32896, 623571), (34688, 591357), (36816, 557176), (40092, 511648), (42276, 485216), (45489, 450944), (47967, 427648), (49088, 417882), (49344, 415714), (52032, 394238), (53456, 383736), (56368, 363912), (60652, 338208), (63956, 320736), (69647, 294528), (73632, 278588), (80184, 255824), (84552, 242608), (90978, 225472), (95934, 213824), (98176, 208941), (98688, 207857), (104064, 197119), (106912, 191868), (112736, 181956), (121304, 169104), (127912, 160368), (139294, 147264)]