20857536

素因数分解:

$2^6\times 3^2\times 7^2\times {\mathrm{739}}^1$

素因数の和:771

約数の個数: 126

約数和(自身を含む): 69639180

約数和(自身を除く): 48781644

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 64, 72, 84, 96, 98, 112, 126, 144, 147, 168, 192, 196, 224, 252, 288, 294, 336, 392, 441, 448, 504, 576, 588, 672, 739, 784, 882, 1008, 1176, 1344, 1478, 1568, 1764, 2016, 2217, 2352, 2956, 3136, 3528, 4032, 4434, 4704, 5173, 5912, 6651, 7056, 8868, 9408, 10346, 11824, 13302, 14112, 15519, 17736, 20692, 23648, 26604, 28224, 31038, 35472, 36211, 41384, 46557, 47296, 53208, 62076, 70944, 72422, 82768, 93114, 106416, 108633, 124152, 141888, 144844, 165536, 186228, 212832, 217266, 248304, 289688, 325899, 331072, 372456, 425664, 434532, 496608, 579376, 651798, 744912, 869064, 993216, 1158752, 1303596, 1489824, 1738128, 2317504, 2607192, 2979648, 3476256, 5214384, 6952512, 10428768, 20857536]

約数ペア:

[(1, 20857536), (2, 10428768), (3, 6952512), (4, 5214384), (6, 3476256), (7, 2979648), (8, 2607192), (9, 2317504), (12, 1738128), (14, 1489824), (16, 1303596), (18, 1158752), (21, 993216), (24, 869064), (28, 744912), (32, 651798), (36, 579376), (42, 496608), (48, 434532), (49, 425664), (56, 372456), (63, 331072), (64, 325899), (72, 289688), (84, 248304), (96, 217266), (98, 212832), (112, 186228), (126, 165536), (144, 144844), (147, 141888), (168, 124152), (192, 108633), (196, 106416), (224, 93114), (252, 82768), (288, 72422), (294, 70944), (336, 62076), (392, 53208), (441, 47296), (448, 46557), (504, 41384), (576, 36211), (588, 35472), (672, 31038), (739, 28224), (784, 26604), (882, 23648), (1008, 20692), (1176, 17736), (1344, 15519), (1478, 14112), (1568, 13302), (1764, 11824), (2016, 10346), (2217, 9408), (2352, 8868), (2956, 7056), (3136, 6651), (3528, 5912), (4032, 5173), (4434, 4704)]