20420248576

素因数分解:

$2^{10}\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7069}}^1$

素因数の和:7140

約数の個数: 176

約数和(自身を含む): 51868687360

約数和(自身を除く): 31448438784

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 128, 182, 208, 217, 224, 248, 256, 364, 403, 416, 434, 448, 496, 512, 728, 806, 832, 868, 896, 992, 1024, 1456, 1612, 1664, 1736, 1792, 1984, 2821, 2912, 3224, 3328, 3472, 3584, 3968, 5642, 5824, 6448, 6656, 6944, 7069, 7168, 7936, 11284, 11648, 12896, 13312, 13888, 14138, 15872, 22568, 23296, 25792, 27776, 28276, 31744, 45136, 46592, 49483, 51584, 55552, 56552, 90272, 91897, 93184, 98966, 103168, 111104, 113104, 180544, 183794, 197932, 206336, 219139, 222208, 226208, 361088, 367588, 395864, 412672, 438278, 452416, 643279, 722176, 735176, 791728, 876556, 904832, 1286558, 1444352, 1470352, 1533973, 1583456, 1753112, 1809664, 2573116, 2848807, 2888704, 2940704, 3067946, 3166912, 3506224, 3619328, 5146232, 5697614, 5881408, 6135892, 6333824, 7012448, 7238656, 10292464, 11395228, 11762816, 12271784, 12667648, 14024896, 19941649, 20584928, 22790456, 23525632, 24543568, 25335296, 28049792, 39883298, 41169856, 45580912, 47051264, 49087136, 50670592, 56099584, 79766596, 82339712, 91161824, 94102528, 98174272, 112199168, 159533192, 164679424, 182323648, 196348544, 224398336, 319066384, 329358848, 364647296, 392697088, 638132768, 658717696, 729294592, 785394176, 1276265536, 1458589184, 1570788352, 2552531072, 2917178368, 5105062144, 10210124288, 20420248576]

約数ペア:

[(1, 20420248576), (2, 10210124288), (4, 5105062144), (7, 2917178368), (8, 2552531072), (13, 1570788352), (14, 1458589184), (16, 1276265536), (26, 785394176), (28, 729294592), (31, 658717696), (32, 638132768), (52, 392697088), (56, 364647296), (62, 329358848), (64, 319066384), (91, 224398336), (104, 196348544), (112, 182323648), (124, 164679424), (128, 159533192), (182, 112199168), (208, 98174272), (217, 94102528), (224, 91161824), (248, 82339712), (256, 79766596), (364, 56099584), (403, 50670592), (416, 49087136), (434, 47051264), (448, 45580912), (496, 41169856), (512, 39883298), (728, 28049792), (806, 25335296), (832, 24543568), (868, 23525632), (896, 22790456), (992, 20584928), (1024, 19941649), (1456, 14024896), (1612, 12667648), (1664, 12271784), (1736, 11762816), (1792, 11395228), (1984, 10292464), (2821, 7238656), (2912, 7012448), (3224, 6333824), (3328, 6135892), (3472, 5881408), (3584, 5697614), (3968, 5146232), (5642, 3619328), (5824, 3506224), (6448, 3166912), (6656, 3067946), (6944, 2940704), (7069, 2888704), (7168, 2848807), (7936, 2573116), (11284, 1809664), (11648, 1753112), (12896, 1583456), (13312, 1533973), (13888, 1470352), (14138, 1444352), (15872, 1286558), (22568, 904832), (23296, 876556), (25792, 791728), (27776, 735176), (28276, 722176), (31744, 643279), (45136, 452416), (46592, 438278), (49483, 412672), (51584, 395864), (55552, 367588), (56552, 361088), (90272, 226208), (91897, 222208), (93184, 219139), (98966, 206336), (103168, 197932), (111104, 183794), (113104, 180544)]