20669824

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:120

約数の個数: 128

約数和(自身を含む): 52876800

約数和(自身を除く): 32206976

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 32, 34, 46, 56, 59, 64, 68, 92, 112, 118, 119, 128, 136, 161, 184, 224, 236, 238, 272, 322, 368, 391, 413, 448, 472, 476, 544, 644, 736, 782, 826, 896, 944, 952, 1003, 1088, 1288, 1357, 1472, 1564, 1652, 1888, 1904, 2006, 2176, 2576, 2714, 2737, 2944, 3128, 3304, 3776, 3808, 4012, 5152, 5428, 5474, 6256, 6608, 7021, 7552, 7616, 8024, 9499, 10304, 10856, 10948, 12512, 13216, 14042, 15232, 16048, 18998, 20608, 21712, 21896, 23069, 25024, 26432, 28084, 32096, 37996, 43424, 43792, 46138, 50048, 52864, 56168, 64192, 75992, 86848, 87584, 92276, 112336, 128384, 151984, 161483, 173696, 175168, 184552, 224672, 303968, 322966, 350336, 369104, 449344, 607936, 645932, 738208, 898688, 1215872, 1291864, 1476416, 2583728, 2952832, 5167456, 10334912, 20669824]

約数ペア:

[(1, 20669824), (2, 10334912), (4, 5167456), (7, 2952832), (8, 2583728), (14, 1476416), (16, 1291864), (17, 1215872), (23, 898688), (28, 738208), (32, 645932), (34, 607936), (46, 449344), (56, 369104), (59, 350336), (64, 322966), (68, 303968), (92, 224672), (112, 184552), (118, 175168), (119, 173696), (128, 161483), (136, 151984), (161, 128384), (184, 112336), (224, 92276), (236, 87584), (238, 86848), (272, 75992), (322, 64192), (368, 56168), (391, 52864), (413, 50048), (448, 46138), (472, 43792), (476, 43424), (544, 37996), (644, 32096), (736, 28084), (782, 26432), (826, 25024), (896, 23069), (944, 21896), (952, 21712), (1003, 20608), (1088, 18998), (1288, 16048), (1357, 15232), (1472, 14042), (1564, 13216), (1652, 12512), (1888, 10948), (1904, 10856), (2006, 10304), (2176, 9499), (2576, 8024), (2714, 7616), (2737, 7552), (2944, 7021), (3128, 6608), (3304, 6256), (3776, 5474), (3808, 5428), (4012, 5152)]