20509974

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{463}}^1$

素因数の和:601

約数の個数: 48

約数和(自身を含む): 46904832

約数和(自身を除く): 26394858

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 107, 138, 207, 214, 321, 414, 463, 642, 926, 963, 1389, 1926, 2461, 2778, 4167, 4922, 7383, 8334, 10649, 14766, 21298, 22149, 31947, 44298, 49541, 63894, 95841, 99082, 148623, 191682, 297246, 445869, 891738, 1139443, 2278886, 3418329, 6836658, 10254987, 20509974]

約数ペア:

[(1, 20509974), (2, 10254987), (3, 6836658), (6, 3418329), (9, 2278886), (18, 1139443), (23, 891738), (46, 445869), (69, 297246), (107, 191682), (138, 148623), (207, 99082), (214, 95841), (321, 63894), (414, 49541), (463, 44298), (642, 31947), (926, 22149), (963, 21298), (1389, 14766), (1926, 10649), (2461, 8334), (2778, 7383), (4167, 4922)]