20932496

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{641}}^1$

素因数の和:819

約数の個数: 40

約数和(自身を含む): 44023224

約数和(自身を除く): 23090728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 157, 208, 314, 628, 641, 1256, 1282, 2041, 2512, 2564, 4082, 5128, 8164, 8333, 10256, 16328, 16666, 32656, 33332, 66664, 100637, 133328, 201274, 402548, 805096, 1308281, 1610192, 2616562, 5233124, 10466248, 20932496]

約数ペア:

[(1, 20932496), (2, 10466248), (4, 5233124), (8, 2616562), (13, 1610192), (16, 1308281), (26, 805096), (52, 402548), (104, 201274), (157, 133328), (208, 100637), (314, 66664), (628, 33332), (641, 32656), (1256, 16666), (1282, 16328), (2041, 10256), (2512, 8333), (2564, 8164), (4082, 5128)]