20262965418

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{193789}}^1$

素因数の和:193991

約数の個数: 48

約数和(自身を含む): 45377091240

約数和(自身を除く): 25114125822

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 157, 222, 314, 333, 471, 666, 942, 1413, 2826, 5809, 11618, 17427, 34854, 52281, 104562, 193789, 387578, 581367, 1162734, 1744101, 3488202, 7170193, 14340386, 21510579, 30424873, 43021158, 60849746, 64531737, 91274619, 129063474, 182549238, 273823857, 547647714, 1125720301, 2251440602, 3377160903, 6754321806, 10131482709, 20262965418]

約数ペア:

[(1, 20262965418), (2, 10131482709), (3, 6754321806), (6, 3377160903), (9, 2251440602), (18, 1125720301), (37, 547647714), (74, 273823857), (111, 182549238), (157, 129063474), (222, 91274619), (314, 64531737), (333, 60849746), (471, 43021158), (666, 30424873), (942, 21510579), (1413, 14340386), (2826, 7170193), (5809, 3488202), (11618, 1744101), (17427, 1162734), (34854, 581367), (52281, 387578), (104562, 193789)]