20883456

素因数分解:

$2^{11}\times 3^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 66437280

約数和(自身を除く): 45553824

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 72, 88, 96, 99, 103, 128, 132, 144, 176, 192, 198, 206, 256, 264, 288, 309, 352, 384, 396, 412, 512, 528, 576, 618, 704, 768, 792, 824, 927, 1024, 1056, 1133, 1152, 1236, 1408, 1536, 1584, 1648, 1854, 2048, 2112, 2266, 2304, 2472, 2816, 3072, 3168, 3296, 3399, 3708, 4224, 4532, 4608, 4944, 5632, 6144, 6336, 6592, 6798, 7416, 8448, 9064, 9216, 9888, 10197, 11264, 12672, 13184, 13596, 14832, 16896, 18128, 18432, 19776, 20394, 22528, 25344, 26368, 27192, 29664, 33792, 36256, 39552, 40788, 50688, 52736, 54384, 59328, 67584, 72512, 79104, 81576, 101376, 105472, 108768, 118656, 145024, 158208, 163152, 202752, 210944, 217536, 237312, 290048, 316416, 326304, 435072, 474624, 580096, 632832, 652608, 870144, 949248, 1160192, 1305216, 1740288, 1898496, 2320384, 2610432, 3480576, 5220864, 6961152, 10441728, 20883456]

約数ペア:

[(1, 20883456), (2, 10441728), (3, 6961152), (4, 5220864), (6, 3480576), (8, 2610432), (9, 2320384), (11, 1898496), (12, 1740288), (16, 1305216), (18, 1160192), (22, 949248), (24, 870144), (32, 652608), (33, 632832), (36, 580096), (44, 474624), (48, 435072), (64, 326304), (66, 316416), (72, 290048), (88, 237312), (96, 217536), (99, 210944), (103, 202752), (128, 163152), (132, 158208), (144, 145024), (176, 118656), (192, 108768), (198, 105472), (206, 101376), (256, 81576), (264, 79104), (288, 72512), (309, 67584), (352, 59328), (384, 54384), (396, 52736), (412, 50688), (512, 40788), (528, 39552), (576, 36256), (618, 33792), (704, 29664), (768, 27192), (792, 26368), (824, 25344), (927, 22528), (1024, 20394), (1056, 19776), (1133, 18432), (1152, 18128), (1236, 16896), (1408, 14832), (1536, 13596), (1584, 13184), (1648, 12672), (1854, 11264), (2048, 10197), (2112, 9888), (2266, 9216), (2304, 9064), (2472, 8448), (2816, 7416), (3072, 6798), (3168, 6592), (3296, 6336), (3399, 6144), (3708, 5632), (4224, 4944), (4532, 4608)]