20852936

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4663}}^1$

素因数の和:4725

約数の個数: 32

約数和(自身を含む): 43095360

約数和(自身を除く): 22242424

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 4663, 9326, 18652, 37304, 60619, 121238, 200509, 242476, 401018, 484952, 802036, 1604072, 2606617, 5213234, 10426468, 20852936]

約数ペア:

[(1, 20852936), (2, 10426468), (4, 5213234), (8, 2606617), (13, 1604072), (26, 802036), (43, 484952), (52, 401018), (86, 242476), (104, 200509), (172, 121238), (344, 60619), (559, 37304), (1118, 18652), (2236, 9326), (4472, 4663)]