20782944

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1$

素因数の和:110

約数の個数: 216

約数和(自身を含む): 74338992

約数和(自身を除く): 53556048

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 61, 63, 72, 78, 84, 91, 96, 104, 112, 117, 122, 126, 144, 156, 168, 169, 182, 183, 208, 224, 234, 244, 252, 273, 288, 312, 336, 338, 364, 366, 416, 427, 468, 488, 504, 507, 546, 549, 624, 672, 676, 728, 732, 793, 819, 854, 936, 976, 1008, 1014, 1092, 1098, 1183, 1248, 1281, 1352, 1456, 1464, 1521, 1586, 1638, 1708, 1872, 1952, 2016, 2028, 2184, 2196, 2366, 2379, 2562, 2704, 2912, 2928, 3042, 3172, 3276, 3416, 3549, 3744, 3843, 4056, 4368, 4392, 4732, 4758, 5124, 5408, 5551, 5856, 6084, 6344, 6552, 6832, 7098, 7137, 7686, 8112, 8736, 8784, 9464, 9516, 10248, 10309, 10647, 11102, 12168, 12688, 13104, 13664, 14196, 14274, 15372, 16224, 16653, 17568, 18928, 19032, 20496, 20618, 21294, 22204, 24336, 25376, 26208, 28392, 28548, 30744, 30927, 33306, 37856, 38064, 40992, 41236, 42588, 44408, 48672, 49959, 56784, 57096, 61488, 61854, 66612, 72163, 76128, 82472, 85176, 88816, 92781, 99918, 113568, 114192, 122976, 123708, 133224, 144326, 164944, 170352, 177632, 185562, 199836, 216489, 228384, 247416, 266448, 288652, 329888, 340704, 371124, 399672, 432978, 494832, 532896, 577304, 649467, 742248, 799344, 865956, 989664, 1154608, 1298934, 1484496, 1598688, 1731912, 2309216, 2597868, 2968992, 3463824, 5195736, 6927648, 10391472, 20782944]

約数ペア:

[(1, 20782944), (2, 10391472), (3, 6927648), (4, 5195736), (6, 3463824), (7, 2968992), (8, 2597868), (9, 2309216), (12, 1731912), (13, 1598688), (14, 1484496), (16, 1298934), (18, 1154608), (21, 989664), (24, 865956), (26, 799344), (28, 742248), (32, 649467), (36, 577304), (39, 532896), (42, 494832), (48, 432978), (52, 399672), (56, 371124), (61, 340704), (63, 329888), (72, 288652), (78, 266448), (84, 247416), (91, 228384), (96, 216489), (104, 199836), (112, 185562), (117, 177632), (122, 170352), (126, 164944), (144, 144326), (156, 133224), (168, 123708), (169, 122976), (182, 114192), (183, 113568), (208, 99918), (224, 92781), (234, 88816), (244, 85176), (252, 82472), (273, 76128), (288, 72163), (312, 66612), (336, 61854), (338, 61488), (364, 57096), (366, 56784), (416, 49959), (427, 48672), (468, 44408), (488, 42588), (504, 41236), (507, 40992), (546, 38064), (549, 37856), (624, 33306), (672, 30927), (676, 30744), (728, 28548), (732, 28392), (793, 26208), (819, 25376), (854, 24336), (936, 22204), (976, 21294), (1008, 20618), (1014, 20496), (1092, 19032), (1098, 18928), (1183, 17568), (1248, 16653), (1281, 16224), (1352, 15372), (1456, 14274), (1464, 14196), (1521, 13664), (1586, 13104), (1638, 12688), (1708, 12168), (1872, 11102), (1952, 10647), (2016, 10309), (2028, 10248), (2184, 9516), (2196, 9464), (2366, 8784), (2379, 8736), (2562, 8112), (2704, 7686), (2912, 7137), (2928, 7098), (3042, 6832), (3172, 6552), (3276, 6344), (3416, 6084), (3549, 5856), (3744, 5551), (3843, 5408), (4056, 5124), (4368, 4758), (4392, 4732)]