20019984

素因数分解:

$2^4\times 3^1\times {\mathrm{113}}^1\times {\mathrm{3691}}^1$

素因数の和:3815

約数の個数: 40

約数和(自身を含む): 52190112

約数和(自身を除く): 32170128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 113, 226, 339, 452, 678, 904, 1356, 1808, 2712, 3691, 5424, 7382, 11073, 14764, 22146, 29528, 44292, 59056, 88584, 177168, 417083, 834166, 1251249, 1668332, 2502498, 3336664, 5004996, 6673328, 10009992, 20019984]

約数ペア:

[(1, 20019984), (2, 10009992), (3, 6673328), (4, 5004996), (6, 3336664), (8, 2502498), (12, 1668332), (16, 1251249), (24, 834166), (48, 417083), (113, 177168), (226, 88584), (339, 59056), (452, 44292), (678, 29528), (904, 22146), (1356, 14764), (1808, 11073), (2712, 7382), (3691, 5424)]