20277168

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{18367}}^1$

素因数の和:18401

約数の個数: 40

約数和(自身を含む): 54663168

約数和(自身を除く): 34386000

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 276, 368, 552, 1104, 18367, 36734, 55101, 73468, 110202, 146936, 220404, 293872, 422441, 440808, 844882, 881616, 1267323, 1689764, 2534646, 3379528, 5069292, 6759056, 10138584, 20277168]

約数ペア:

[(1, 20277168), (2, 10138584), (3, 6759056), (4, 5069292), (6, 3379528), (8, 2534646), (12, 1689764), (16, 1267323), (23, 881616), (24, 844882), (46, 440808), (48, 422441), (69, 293872), (92, 220404), (138, 146936), (184, 110202), (276, 73468), (368, 55101), (552, 36734), (1104, 18367)]