20662656

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{7687}}^1$

素因数の和:7711

約数の個数: 64

約数和(自身を含む): 62734080

約数和(自身を除く): 42071424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 7687, 15374, 23061, 30748, 46122, 53809, 61496, 92244, 107618, 122992, 161427, 184488, 215236, 245984, 322854, 368976, 430472, 491968, 645708, 737952, 860944, 983936, 1291416, 1475904, 1721888, 2582832, 2951808, 3443776, 5165664, 6887552, 10331328, 20662656]

約数ペア:

[(1, 20662656), (2, 10331328), (3, 6887552), (4, 5165664), (6, 3443776), (7, 2951808), (8, 2582832), (12, 1721888), (14, 1475904), (16, 1291416), (21, 983936), (24, 860944), (28, 737952), (32, 645708), (42, 491968), (48, 430472), (56, 368976), (64, 322854), (84, 245984), (96, 215236), (112, 184488), (128, 161427), (168, 122992), (192, 107618), (224, 92244), (336, 61496), (384, 53809), (448, 46122), (672, 30748), (896, 23061), (1344, 15374), (2688, 7687)]