20940764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{17509}}^1$

素因数の和:17549

約数の個数: 24

約数和(自身を含む): 41183520

約数和(自身を除く): 20242756

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 17509, 35018, 70036, 227617, 402707, 455234, 805414, 910468, 1610828, 5235191, 10470382, 20940764]

約数ペア:

[(1, 20940764), (2, 10470382), (4, 5235191), (13, 1610828), (23, 910468), (26, 805414), (46, 455234), (52, 402707), (92, 227617), (299, 70036), (598, 35018), (1196, 17509)]