17508020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 20594380

約数列:

[1, 2, 4, 5, 10, 20, 53, 83, 106, 166, 199, 212, 265, 332, 398, 415, 530, 796, 830, 995, 1060, 1660, 1990, 3980, 4399, 8798, 10547, 16517, 17596, 21094, 21995, 33034, 42188, 43990, 52735, 66068, 82585, 87980, 105470, 165170, 210940, 330340, 875401, 1750802, 3501604, 4377005, 8754010, 17508020]

約数ペア:

[(1, 17508020), (2, 8754010), (4, 4377005), (5, 3501604), (10, 1750802), (20, 875401), (53, 330340), (83, 210940), (106, 165170), (166, 105470), (199, 87980), (212, 82585), (265, 66068), (332, 52735), (398, 43990), (415, 42188), (530, 33034), (796, 21995), (830, 21094), (995, 17596), (1060, 16517), (1660, 10547), (1990, 8798), (3980, 4399)]