20016558

素因数分解:

$2^1\times 3^4\times {\mathrm{157}}^1\times {\mathrm{787}}^1$

素因数の和:958

約数の個数: 40

約数和(自身を含む): 45194952

約数和(自身を除く): 25178394

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 157, 162, 314, 471, 787, 942, 1413, 1574, 2361, 2826, 4239, 4722, 7083, 8478, 12717, 14166, 21249, 25434, 42498, 63747, 123559, 127494, 247118, 370677, 741354, 1112031, 2224062, 3336093, 6672186, 10008279, 20016558]

約数ペア:

[(1, 20016558), (2, 10008279), (3, 6672186), (6, 3336093), (9, 2224062), (18, 1112031), (27, 741354), (54, 370677), (81, 247118), (157, 127494), (162, 123559), (314, 63747), (471, 42498), (787, 25434), (942, 21249), (1413, 14166), (1574, 12717), (2361, 8478), (2826, 7083), (4239, 4722)]