20934368

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^2\times {\mathrm{79}}^1$

素因数の和:129

約数の個数: 108

約数和(自身を含む): 52572240

約数和(自身を除く): 31637872

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 79, 91, 98, 104, 112, 158, 169, 182, 196, 208, 224, 316, 338, 364, 392, 416, 553, 632, 637, 676, 728, 784, 1027, 1106, 1183, 1264, 1274, 1352, 1456, 1568, 2054, 2212, 2366, 2528, 2548, 2704, 2912, 3871, 4108, 4424, 4732, 5096, 5408, 7189, 7742, 8216, 8281, 8848, 9464, 10192, 13351, 14378, 15484, 16432, 16562, 17696, 18928, 20384, 26702, 28756, 30968, 32864, 33124, 37856, 50323, 53404, 57512, 61936, 66248, 93457, 100646, 106808, 115024, 123872, 132496, 186914, 201292, 213616, 230048, 264992, 373828, 402584, 427232, 654199, 747656, 805168, 1308398, 1495312, 1610336, 2616796, 2990624, 5233592, 10467184, 20934368]

約数ペア:

[(1, 20934368), (2, 10467184), (4, 5233592), (7, 2990624), (8, 2616796), (13, 1610336), (14, 1495312), (16, 1308398), (26, 805168), (28, 747656), (32, 654199), (49, 427232), (52, 402584), (56, 373828), (79, 264992), (91, 230048), (98, 213616), (104, 201292), (112, 186914), (158, 132496), (169, 123872), (182, 115024), (196, 106808), (208, 100646), (224, 93457), (316, 66248), (338, 61936), (364, 57512), (392, 53404), (416, 50323), (553, 37856), (632, 33124), (637, 32864), (676, 30968), (728, 28756), (784, 26702), (1027, 20384), (1106, 18928), (1183, 17696), (1264, 16562), (1274, 16432), (1352, 15484), (1456, 14378), (1568, 13351), (2054, 10192), (2212, 9464), (2366, 8848), (2528, 8281), (2548, 8216), (2704, 7742), (2912, 7189), (3871, 5408), (4108, 5096), (4424, 4732)]