20349056

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1747}}^1$

素因数の和:1781

約数の個数: 64

約数和(自身を含む): 49922880

約数和(自身を除く): 29573824

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 364, 416, 448, 728, 832, 896, 1456, 1664, 1747, 2912, 3494, 5824, 6988, 11648, 12229, 13976, 22711, 24458, 27952, 45422, 48916, 55904, 90844, 97832, 111808, 158977, 181688, 195664, 223616, 317954, 363376, 391328, 635908, 726752, 782656, 1271816, 1453504, 1565312, 2543632, 2907008, 5087264, 10174528, 20349056]

約数ペア:

[(1, 20349056), (2, 10174528), (4, 5087264), (7, 2907008), (8, 2543632), (13, 1565312), (14, 1453504), (16, 1271816), (26, 782656), (28, 726752), (32, 635908), (52, 391328), (56, 363376), (64, 317954), (91, 223616), (104, 195664), (112, 181688), (128, 158977), (182, 111808), (208, 97832), (224, 90844), (364, 55904), (416, 48916), (448, 45422), (728, 27952), (832, 24458), (896, 22711), (1456, 13976), (1664, 12229), (1747, 11648), (2912, 6988), (3494, 5824)]