20501668512

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^2\times {\mathrm{140407}}^1$

素因数の和:140452

約数の個数: 144

約数和(自身を含む): 64750553280

約数和(自身を除く): 44248884768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 96, 104, 108, 117, 144, 156, 169, 208, 216, 234, 288, 312, 338, 351, 416, 432, 468, 507, 624, 676, 702, 864, 936, 1014, 1248, 1352, 1404, 1521, 1872, 2028, 2704, 2808, 3042, 3744, 4056, 4563, 5408, 5616, 6084, 8112, 9126, 11232, 12168, 16224, 18252, 24336, 36504, 48672, 73008, 140407, 146016, 280814, 421221, 561628, 842442, 1123256, 1263663, 1684884, 1825291, 2246512, 2527326, 3369768, 3650582, 3790989, 4493024, 5054652, 5475873, 6739536, 7301164, 7581978, 10109304, 10951746, 13479072, 14602328, 15163956, 16427619, 20218608, 21903492, 23728783, 29204656, 30327912, 32855238, 40437216, 43806984, 47457566, 49282857, 58409312, 60655824, 65710476, 71186349, 87613968, 94915132, 98565714, 121311648, 131420952, 142372698, 175227936, 189830264, 197131428, 213559047, 262841904, 284745396, 379660528, 394262856, 427118094, 525683808, 569490792, 640677141, 759321056, 788525712, 854236188, 1138981584, 1281354282, 1577051424, 1708472376, 2277963168, 2562708564, 3416944752, 5125417128, 6833889504, 10250834256, 20501668512]

約数ペア:

[(1, 20501668512), (2, 10250834256), (3, 6833889504), (4, 5125417128), (6, 3416944752), (8, 2562708564), (9, 2277963168), (12, 1708472376), (13, 1577051424), (16, 1281354282), (18, 1138981584), (24, 854236188), (26, 788525712), (27, 759321056), (32, 640677141), (36, 569490792), (39, 525683808), (48, 427118094), (52, 394262856), (54, 379660528), (72, 284745396), (78, 262841904), (96, 213559047), (104, 197131428), (108, 189830264), (117, 175227936), (144, 142372698), (156, 131420952), (169, 121311648), (208, 98565714), (216, 94915132), (234, 87613968), (288, 71186349), (312, 65710476), (338, 60655824), (351, 58409312), (416, 49282857), (432, 47457566), (468, 43806984), (507, 40437216), (624, 32855238), (676, 30327912), (702, 29204656), (864, 23728783), (936, 21903492), (1014, 20218608), (1248, 16427619), (1352, 15163956), (1404, 14602328), (1521, 13479072), (1872, 10951746), (2028, 10109304), (2704, 7581978), (2808, 7301164), (3042, 6739536), (3744, 5475873), (4056, 5054652), (4563, 4493024), (5408, 3790989), (5616, 3650582), (6084, 3369768), (8112, 2527326), (9126, 2246512), (11232, 1825291), (12168, 1684884), (16224, 1263663), (18252, 1123256), (24336, 842442), (36504, 561628), (48672, 421221), (73008, 280814), (140407, 146016)]