20709248

素因数分解:

$2^7\times 7^1\times {\mathrm{29}}^1\times {\mathrm{797}}^1$

素因数の和:847

約数の個数: 64

約数和(自身を含む): 48837600

約数和(自身を除く): 28128352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 128, 203, 224, 232, 406, 448, 464, 797, 812, 896, 928, 1594, 1624, 1856, 3188, 3248, 3712, 5579, 6376, 6496, 11158, 12752, 12992, 22316, 23113, 25504, 25984, 44632, 46226, 51008, 89264, 92452, 102016, 161791, 178528, 184904, 323582, 357056, 369808, 647164, 714112, 739616, 1294328, 1479232, 2588656, 2958464, 5177312, 10354624, 20709248]

約数ペア:

[(1, 20709248), (2, 10354624), (4, 5177312), (7, 2958464), (8, 2588656), (14, 1479232), (16, 1294328), (28, 739616), (29, 714112), (32, 647164), (56, 369808), (58, 357056), (64, 323582), (112, 184904), (116, 178528), (128, 161791), (203, 102016), (224, 92452), (232, 89264), (406, 51008), (448, 46226), (464, 44632), (797, 25984), (812, 25504), (896, 23113), (928, 22316), (1594, 12992), (1624, 12752), (1856, 11158), (3188, 6496), (3248, 6376), (3712, 5579)]