20736576

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:201

約数の個数: 168

約数和(自身を含む): 70266560

約数和(自身を除く): 49529984

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 37, 42, 48, 56, 63, 64, 72, 74, 84, 96, 111, 112, 126, 139, 144, 148, 168, 192, 222, 224, 252, 259, 278, 288, 296, 333, 336, 417, 444, 448, 504, 518, 556, 576, 592, 666, 672, 777, 834, 888, 973, 1008, 1036, 1112, 1184, 1251, 1332, 1344, 1554, 1668, 1776, 1946, 2016, 2072, 2224, 2331, 2368, 2502, 2664, 2919, 3108, 3336, 3552, 3892, 4032, 4144, 4448, 4662, 5004, 5143, 5328, 5838, 6216, 6672, 7104, 7784, 8288, 8757, 8896, 9324, 10008, 10286, 10656, 11676, 12432, 13344, 15429, 15568, 16576, 17514, 18648, 20016, 20572, 21312, 23352, 24864, 26688, 30858, 31136, 35028, 36001, 37296, 40032, 41144, 46287, 46704, 49728, 61716, 62272, 70056, 72002, 74592, 80064, 82288, 92574, 93408, 108003, 123432, 140112, 144004, 149184, 164576, 185148, 186816, 216006, 246864, 280224, 288008, 324009, 329152, 370296, 432012, 493728, 560448, 576016, 648018, 740592, 864024, 987456, 1152032, 1296036, 1481184, 1728048, 2304064, 2592072, 2962368, 3456096, 5184144, 6912192, 10368288, 20736576]

約数ペア:

[(1, 20736576), (2, 10368288), (3, 6912192), (4, 5184144), (6, 3456096), (7, 2962368), (8, 2592072), (9, 2304064), (12, 1728048), (14, 1481184), (16, 1296036), (18, 1152032), (21, 987456), (24, 864024), (28, 740592), (32, 648018), (36, 576016), (37, 560448), (42, 493728), (48, 432012), (56, 370296), (63, 329152), (64, 324009), (72, 288008), (74, 280224), (84, 246864), (96, 216006), (111, 186816), (112, 185148), (126, 164576), (139, 149184), (144, 144004), (148, 140112), (168, 123432), (192, 108003), (222, 93408), (224, 92574), (252, 82288), (259, 80064), (278, 74592), (288, 72002), (296, 70056), (333, 62272), (336, 61716), (417, 49728), (444, 46704), (448, 46287), (504, 41144), (518, 40032), (556, 37296), (576, 36001), (592, 35028), (666, 31136), (672, 30858), (777, 26688), (834, 24864), (888, 23352), (973, 21312), (1008, 20572), (1036, 20016), (1112, 18648), (1184, 17514), (1251, 16576), (1332, 15568), (1344, 15429), (1554, 13344), (1668, 12432), (1776, 11676), (1946, 10656), (2016, 10286), (2072, 10008), (2224, 9324), (2331, 8896), (2368, 8757), (2502, 8288), (2664, 7784), (2919, 7104), (3108, 6672), (3336, 6216), (3552, 5838), (3892, 5328), (4032, 5143), (4144, 5004), (4448, 4662)]