20663808

素因数分解:

$2^9\times 3^1\times {\mathrm{11}}^1\times {\mathrm{1223}}^1$

素因数の和:1255

約数の個数: 80

約数和(自身を含む): 60103296

約数和(自身を除く): 39439488

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 128, 132, 176, 192, 256, 264, 352, 384, 512, 528, 704, 768, 1056, 1223, 1408, 1536, 2112, 2446, 2816, 3669, 4224, 4892, 5632, 7338, 8448, 9784, 13453, 14676, 16896, 19568, 26906, 29352, 39136, 40359, 53812, 58704, 78272, 80718, 107624, 117408, 156544, 161436, 215248, 234816, 313088, 322872, 430496, 469632, 626176, 645744, 860992, 939264, 1291488, 1721984, 1878528, 2582976, 3443968, 5165952, 6887936, 10331904, 20663808]

約数ペア:

[(1, 20663808), (2, 10331904), (3, 6887936), (4, 5165952), (6, 3443968), (8, 2582976), (11, 1878528), (12, 1721984), (16, 1291488), (22, 939264), (24, 860992), (32, 645744), (33, 626176), (44, 469632), (48, 430496), (64, 322872), (66, 313088), (88, 234816), (96, 215248), (128, 161436), (132, 156544), (176, 117408), (192, 107624), (256, 80718), (264, 78272), (352, 58704), (384, 53812), (512, 40359), (528, 39136), (704, 29352), (768, 26906), (1056, 19568), (1223, 16896), (1408, 14676), (1536, 13453), (2112, 9784), (2446, 8448), (2816, 7338), (3669, 5632), (4224, 4892)]