20308288

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1$

素因数の和:360

約数の個数: 112

約数和(自身を含む): 54278784

約数和(自身を除く): 33970496

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 64, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 224, 286, 308, 317, 352, 364, 416, 448, 572, 616, 634, 704, 728, 832, 1001, 1144, 1232, 1268, 1456, 2002, 2219, 2288, 2464, 2536, 2912, 3487, 4004, 4121, 4438, 4576, 4928, 5072, 5824, 6974, 8008, 8242, 8876, 9152, 10144, 13948, 16016, 16484, 17752, 20288, 24409, 27896, 28847, 32032, 32968, 35504, 45331, 48818, 55792, 57694, 64064, 65936, 71008, 90662, 97636, 111584, 115388, 131872, 142016, 181324, 195272, 223168, 230776, 263744, 317317, 362648, 390544, 461552, 634634, 725296, 781088, 923104, 1269268, 1450592, 1562176, 1846208, 2538536, 2901184, 5077072, 10154144, 20308288]

約数ペア:

[(1, 20308288), (2, 10154144), (4, 5077072), (7, 2901184), (8, 2538536), (11, 1846208), (13, 1562176), (14, 1450592), (16, 1269268), (22, 923104), (26, 781088), (28, 725296), (32, 634634), (44, 461552), (52, 390544), (56, 362648), (64, 317317), (77, 263744), (88, 230776), (91, 223168), (104, 195272), (112, 181324), (143, 142016), (154, 131872), (176, 115388), (182, 111584), (208, 97636), (224, 90662), (286, 71008), (308, 65936), (317, 64064), (352, 57694), (364, 55792), (416, 48818), (448, 45331), (572, 35504), (616, 32968), (634, 32032), (704, 28847), (728, 27896), (832, 24409), (1001, 20288), (1144, 17752), (1232, 16484), (1268, 16016), (1456, 13948), (2002, 10144), (2219, 9152), (2288, 8876), (2464, 8242), (2536, 8008), (2912, 6974), (3487, 5824), (4004, 5072), (4121, 4928), (4438, 4576)]