20145201544

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{647839}}^1$

素因数の和:647894

約数の個数: 48

約数和(自身を含む): 42679699200

約数和(自身を除く): 22534497656

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 169, 184, 299, 338, 598, 676, 1196, 1352, 2392, 3887, 7774, 15548, 31096, 647839, 1295678, 2591356, 5182712, 8421907, 14900297, 16843814, 29800594, 33687628, 59601188, 67375256, 109484791, 119202376, 193703861, 218969582, 387407722, 437939164, 774815444, 875878328, 1549630888, 2518150193, 5036300386, 10072600772, 20145201544]

約数ペア:

[(1, 20145201544), (2, 10072600772), (4, 5036300386), (8, 2518150193), (13, 1549630888), (23, 875878328), (26, 774815444), (46, 437939164), (52, 387407722), (92, 218969582), (104, 193703861), (169, 119202376), (184, 109484791), (299, 67375256), (338, 59601188), (598, 33687628), (676, 29800594), (1196, 16843814), (1352, 14900297), (2392, 8421907), (3887, 5182712), (7774, 2591356), (15548, 1295678), (31096, 647839)]