20156416

素因数分解:

$2^{12}\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:87

約数の個数: 104

約数和(自身を含む): 49801280

約数和(自身を除く): 29644864

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 37, 38, 56, 64, 74, 76, 112, 128, 133, 148, 152, 224, 256, 259, 266, 296, 304, 448, 512, 518, 532, 592, 608, 703, 896, 1024, 1036, 1064, 1184, 1216, 1406, 1792, 2048, 2072, 2128, 2368, 2432, 2812, 3584, 4096, 4144, 4256, 4736, 4864, 4921, 5624, 7168, 8288, 8512, 9472, 9728, 9842, 11248, 14336, 16576, 17024, 18944, 19456, 19684, 22496, 28672, 33152, 34048, 37888, 38912, 39368, 44992, 66304, 68096, 75776, 77824, 78736, 89984, 132608, 136192, 151552, 157472, 179968, 265216, 272384, 314944, 359936, 530432, 544768, 629888, 719872, 1060864, 1259776, 1439744, 2519552, 2879488, 5039104, 10078208, 20156416]

約数ペア:

[(1, 20156416), (2, 10078208), (4, 5039104), (7, 2879488), (8, 2519552), (14, 1439744), (16, 1259776), (19, 1060864), (28, 719872), (32, 629888), (37, 544768), (38, 530432), (56, 359936), (64, 314944), (74, 272384), (76, 265216), (112, 179968), (128, 157472), (133, 151552), (148, 136192), (152, 132608), (224, 89984), (256, 78736), (259, 77824), (266, 75776), (296, 68096), (304, 66304), (448, 44992), (512, 39368), (518, 38912), (532, 37888), (592, 34048), (608, 33152), (703, 28672), (896, 22496), (1024, 19684), (1036, 19456), (1064, 18944), (1184, 17024), (1216, 16576), (1406, 14336), (1792, 11248), (2048, 9842), (2072, 9728), (2128, 9472), (2368, 8512), (2432, 8288), (2812, 7168), (3584, 5624), (4096, 4921), (4144, 4864), (4256, 4736)]