20553728

素因数分解:

$2^{13}\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:232

約数の個数: 56

約数和(自身を含む): 44496228

約数和(自身を除く): 23942500

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 193, 208, 256, 386, 416, 512, 772, 832, 1024, 1544, 1664, 2048, 2509, 3088, 3328, 4096, 5018, 6176, 6656, 8192, 10036, 12352, 13312, 20072, 24704, 26624, 40144, 49408, 53248, 80288, 98816, 106496, 160576, 197632, 321152, 395264, 642304, 790528, 1284608, 1581056, 2569216, 5138432, 10276864, 20553728]

約数ペア:

[(1, 20553728), (2, 10276864), (4, 5138432), (8, 2569216), (13, 1581056), (16, 1284608), (26, 790528), (32, 642304), (52, 395264), (64, 321152), (104, 197632), (128, 160576), (193, 106496), (208, 98816), (256, 80288), (386, 53248), (416, 49408), (512, 40144), (772, 26624), (832, 24704), (1024, 20072), (1544, 13312), (1664, 12352), (2048, 10036), (2509, 8192), (3088, 6656), (3328, 6176), (4096, 5018)]