20327988

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{397}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 50549184

約数和(自身を除く): 30221196

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 251, 397, 502, 753, 794, 1004, 1191, 1506, 1588, 2382, 3012, 4267, 4764, 6749, 8534, 12801, 13498, 17068, 20247, 25602, 26996, 40494, 51204, 80988, 99647, 199294, 298941, 398588, 597882, 1195764, 1693999, 3387998, 5081997, 6775996, 10163994, 20327988]

約数ペア:

[(1, 20327988), (2, 10163994), (3, 6775996), (4, 5081997), (6, 3387998), (12, 1693999), (17, 1195764), (34, 597882), (51, 398588), (68, 298941), (102, 199294), (204, 99647), (251, 80988), (397, 51204), (502, 40494), (753, 26996), (794, 25602), (1004, 20247), (1191, 17068), (1506, 13498), (1588, 12801), (2382, 8534), (3012, 6749), (4267, 4764)]