20872670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22937}}^1$

素因数の和:22964

約数の個数: 32

約数和(自身を含む): 46243008

約数和(自身を除く): 25370338

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 22937, 45874, 114685, 160559, 229370, 298181, 321118, 596362, 802795, 1490905, 1605590, 2087267, 2981810, 4174534, 10436335, 20872670]

約数ペア:

[(1, 20872670), (2, 10436335), (5, 4174534), (7, 2981810), (10, 2087267), (13, 1605590), (14, 1490905), (26, 802795), (35, 596362), (65, 321118), (70, 298181), (91, 229370), (130, 160559), (182, 114685), (455, 45874), (910, 22937)]