20664072

素因数分解:

$2^3\times 3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:265

約数の個数: 160

約数和(自身を含む): 68302080

約数和(自身を除く): 47638008

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 27, 33, 36, 39, 44, 52, 54, 66, 72, 78, 81, 88, 99, 104, 108, 117, 132, 143, 156, 162, 198, 216, 223, 234, 264, 286, 297, 312, 324, 351, 396, 429, 446, 468, 572, 594, 648, 669, 702, 792, 858, 891, 892, 936, 1053, 1144, 1188, 1287, 1338, 1404, 1716, 1782, 1784, 2007, 2106, 2376, 2453, 2574, 2676, 2808, 2899, 3432, 3564, 3861, 4014, 4212, 4906, 5148, 5352, 5798, 6021, 7128, 7359, 7722, 8028, 8424, 8697, 9812, 10296, 11583, 11596, 12042, 14718, 15444, 16056, 17394, 18063, 19624, 22077, 23166, 23192, 24084, 26091, 29436, 30888, 31889, 34788, 36126, 44154, 46332, 48168, 52182, 58872, 63778, 66231, 69576, 72252, 78273, 88308, 92664, 95667, 104364, 127556, 132462, 144504, 156546, 176616, 191334, 198693, 208728, 234819, 255112, 264924, 287001, 313092, 382668, 397386, 469638, 529848, 574002, 626184, 765336, 794772, 861003, 939276, 1148004, 1589544, 1722006, 1878552, 2296008, 2583009, 3444012, 5166018, 6888024, 10332036, 20664072]

約数ペア:

[(1, 20664072), (2, 10332036), (3, 6888024), (4, 5166018), (6, 3444012), (8, 2583009), (9, 2296008), (11, 1878552), (12, 1722006), (13, 1589544), (18, 1148004), (22, 939276), (24, 861003), (26, 794772), (27, 765336), (33, 626184), (36, 574002), (39, 529848), (44, 469638), (52, 397386), (54, 382668), (66, 313092), (72, 287001), (78, 264924), (81, 255112), (88, 234819), (99, 208728), (104, 198693), (108, 191334), (117, 176616), (132, 156546), (143, 144504), (156, 132462), (162, 127556), (198, 104364), (216, 95667), (223, 92664), (234, 88308), (264, 78273), (286, 72252), (297, 69576), (312, 66231), (324, 63778), (351, 58872), (396, 52182), (429, 48168), (446, 46332), (468, 44154), (572, 36126), (594, 34788), (648, 31889), (669, 30888), (702, 29436), (792, 26091), (858, 24084), (891, 23192), (892, 23166), (936, 22077), (1053, 19624), (1144, 18063), (1188, 17394), (1287, 16056), (1338, 15444), (1404, 14718), (1716, 12042), (1782, 11596), (1784, 11583), (2007, 10296), (2106, 9812), (2376, 8697), (2453, 8424), (2574, 8028), (2676, 7722), (2808, 7359), (2899, 7128), (3432, 6021), (3564, 5798), (3861, 5352), (4014, 5148), (4212, 4906)]