20703312

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:110

約数の個数: 240

約数和(自身を含む): 74280960

約数和(自身を除く): 53577648

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 23, 24, 28, 36, 38, 42, 46, 47, 48, 56, 57, 63, 69, 72, 76, 84, 92, 94, 112, 114, 126, 133, 138, 141, 144, 152, 161, 168, 171, 184, 188, 207, 228, 252, 266, 276, 282, 304, 322, 329, 336, 342, 368, 376, 399, 414, 423, 437, 456, 483, 504, 532, 552, 564, 644, 658, 684, 752, 798, 828, 846, 874, 893, 912, 966, 987, 1008, 1064, 1081, 1104, 1128, 1197, 1288, 1311, 1316, 1368, 1449, 1596, 1656, 1692, 1748, 1786, 1932, 1974, 2128, 2162, 2256, 2394, 2576, 2622, 2632, 2679, 2736, 2898, 2961, 3059, 3192, 3243, 3312, 3384, 3496, 3572, 3864, 3933, 3948, 4324, 4788, 5244, 5264, 5358, 5796, 5922, 6118, 6251, 6384, 6486, 6768, 6992, 7144, 7567, 7728, 7866, 7896, 8037, 8648, 9177, 9576, 9729, 10488, 10716, 11592, 11844, 12236, 12502, 12972, 14288, 15134, 15732, 15792, 16074, 17296, 18354, 18753, 19152, 19458, 20539, 20976, 21432, 22701, 23184, 23688, 24472, 25004, 25944, 27531, 30268, 31464, 32148, 36708, 37506, 38916, 41078, 42864, 45402, 47376, 48944, 50008, 51888, 55062, 56259, 60536, 61617, 62928, 64296, 68103, 73416, 75012, 77832, 82156, 90804, 100016, 110124, 112518, 121072, 123234, 128592, 136206, 143773, 146832, 150024, 155664, 164312, 181608, 184851, 220248, 225036, 246468, 272412, 287546, 300048, 328624, 363216, 369702, 431319, 440496, 450072, 492936, 544824, 575092, 739404, 862638, 900144, 985872, 1089648, 1150184, 1293957, 1478808, 1725276, 2300368, 2587914, 2957616, 3450552, 5175828, 6901104, 10351656, 20703312]

約数ペア:

[(1, 20703312), (2, 10351656), (3, 6901104), (4, 5175828), (6, 3450552), (7, 2957616), (8, 2587914), (9, 2300368), (12, 1725276), (14, 1478808), (16, 1293957), (18, 1150184), (19, 1089648), (21, 985872), (23, 900144), (24, 862638), (28, 739404), (36, 575092), (38, 544824), (42, 492936), (46, 450072), (47, 440496), (48, 431319), (56, 369702), (57, 363216), (63, 328624), (69, 300048), (72, 287546), (76, 272412), (84, 246468), (92, 225036), (94, 220248), (112, 184851), (114, 181608), (126, 164312), (133, 155664), (138, 150024), (141, 146832), (144, 143773), (152, 136206), (161, 128592), (168, 123234), (171, 121072), (184, 112518), (188, 110124), (207, 100016), (228, 90804), (252, 82156), (266, 77832), (276, 75012), (282, 73416), (304, 68103), (322, 64296), (329, 62928), (336, 61617), (342, 60536), (368, 56259), (376, 55062), (399, 51888), (414, 50008), (423, 48944), (437, 47376), (456, 45402), (483, 42864), (504, 41078), (532, 38916), (552, 37506), (564, 36708), (644, 32148), (658, 31464), (684, 30268), (752, 27531), (798, 25944), (828, 25004), (846, 24472), (874, 23688), (893, 23184), (912, 22701), (966, 21432), (987, 20976), (1008, 20539), (1064, 19458), (1081, 19152), (1104, 18753), (1128, 18354), (1197, 17296), (1288, 16074), (1311, 15792), (1316, 15732), (1368, 15134), (1449, 14288), (1596, 12972), (1656, 12502), (1692, 12236), (1748, 11844), (1786, 11592), (1932, 10716), (1974, 10488), (2128, 9729), (2162, 9576), (2256, 9177), (2394, 8648), (2576, 8037), (2622, 7896), (2632, 7866), (2679, 7728), (2736, 7567), (2898, 7144), (2961, 6992), (3059, 6768), (3192, 6486), (3243, 6384), (3312, 6251), (3384, 6118), (3496, 5922), (3572, 5796), (3864, 5358), (3933, 5264), (3948, 5244), (4324, 4788)]