20457528

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:94

約数の個数: 256

約数和(自身を含む): 72576000

約数和(自身を除く): 52118472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 17, 19, 21, 24, 26, 28, 29, 34, 38, 39, 42, 51, 52, 56, 57, 58, 68, 76, 78, 84, 87, 91, 102, 104, 114, 116, 119, 133, 136, 152, 156, 168, 174, 182, 203, 204, 221, 228, 232, 238, 247, 266, 273, 312, 323, 348, 357, 364, 377, 399, 406, 408, 442, 456, 476, 493, 494, 532, 546, 551, 609, 646, 663, 696, 714, 728, 741, 754, 798, 812, 884, 952, 969, 986, 988, 1064, 1092, 1102, 1131, 1218, 1292, 1326, 1428, 1479, 1482, 1508, 1547, 1596, 1624, 1653, 1729, 1768, 1938, 1972, 1976, 2184, 2204, 2261, 2262, 2436, 2584, 2639, 2652, 2856, 2958, 2964, 3016, 3094, 3192, 3306, 3451, 3458, 3857, 3876, 3944, 4199, 4408, 4522, 4524, 4641, 4872, 5187, 5278, 5304, 5916, 5928, 6188, 6409, 6612, 6783, 6902, 6916, 7163, 7714, 7752, 7917, 8398, 9044, 9048, 9282, 9367, 10353, 10374, 10556, 11571, 11832, 12376, 12597, 12818, 13224, 13566, 13804, 13832, 14326, 15428, 15834, 16796, 18088, 18564, 18734, 19227, 20706, 20748, 21112, 21489, 23142, 25194, 25636, 27132, 27608, 28101, 28652, 29393, 30856, 31668, 33592, 37128, 37468, 38454, 41412, 41496, 42978, 44863, 46284, 50141, 50388, 51272, 54264, 56202, 57304, 58786, 63336, 65569, 74936, 76908, 82824, 85956, 88179, 89726, 92568, 100282, 100776, 112404, 117572, 121771, 131138, 134589, 150423, 153816, 171912, 176358, 179452, 196707, 200564, 224808, 235144, 243542, 262276, 269178, 300846, 352716, 358904, 365313, 393414, 401128, 487084, 524552, 538356, 601692, 705432, 730626, 786828, 852397, 974168, 1076712, 1203384, 1461252, 1573656, 1704794, 2557191, 2922504, 3409588, 5114382, 6819176, 10228764, 20457528]

約数ペア:

[(1, 20457528), (2, 10228764), (3, 6819176), (4, 5114382), (6, 3409588), (7, 2922504), (8, 2557191), (12, 1704794), (13, 1573656), (14, 1461252), (17, 1203384), (19, 1076712), (21, 974168), (24, 852397), (26, 786828), (28, 730626), (29, 705432), (34, 601692), (38, 538356), (39, 524552), (42, 487084), (51, 401128), (52, 393414), (56, 365313), (57, 358904), (58, 352716), (68, 300846), (76, 269178), (78, 262276), (84, 243542), (87, 235144), (91, 224808), (102, 200564), (104, 196707), (114, 179452), (116, 176358), (119, 171912), (133, 153816), (136, 150423), (152, 134589), (156, 131138), (168, 121771), (174, 117572), (182, 112404), (203, 100776), (204, 100282), (221, 92568), (228, 89726), (232, 88179), (238, 85956), (247, 82824), (266, 76908), (273, 74936), (312, 65569), (323, 63336), (348, 58786), (357, 57304), (364, 56202), (377, 54264), (399, 51272), (406, 50388), (408, 50141), (442, 46284), (456, 44863), (476, 42978), (493, 41496), (494, 41412), (532, 38454), (546, 37468), (551, 37128), (609, 33592), (646, 31668), (663, 30856), (696, 29393), (714, 28652), (728, 28101), (741, 27608), (754, 27132), (798, 25636), (812, 25194), (884, 23142), (952, 21489), (969, 21112), (986, 20748), (988, 20706), (1064, 19227), (1092, 18734), (1102, 18564), (1131, 18088), (1218, 16796), (1292, 15834), (1326, 15428), (1428, 14326), (1479, 13832), (1482, 13804), (1508, 13566), (1547, 13224), (1596, 12818), (1624, 12597), (1653, 12376), (1729, 11832), (1768, 11571), (1938, 10556), (1972, 10374), (1976, 10353), (2184, 9367), (2204, 9282), (2261, 9048), (2262, 9044), (2436, 8398), (2584, 7917), (2639, 7752), (2652, 7714), (2856, 7163), (2958, 6916), (2964, 6902), (3016, 6783), (3094, 6612), (3192, 6409), (3306, 6188), (3451, 5928), (3458, 5916), (3857, 5304), (3876, 5278), (3944, 5187), (4199, 4872), (4408, 4641), (4522, 4524)]