20376040

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7603}}^1$

素因数の和:7681

約数の個数: 32

約数和(自身を含む): 46536480

約数和(自身を除く): 26160440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 7603, 15206, 30412, 38015, 60824, 76030, 152060, 304120, 509401, 1018802, 2037604, 2547005, 4075208, 5094010, 10188020, 20376040]

約数ペア:

[(1, 20376040), (2, 10188020), (4, 5094010), (5, 4075208), (8, 2547005), (10, 2037604), (20, 1018802), (40, 509401), (67, 304120), (134, 152060), (268, 76030), (335, 60824), (536, 38015), (670, 30412), (1340, 15206), (2680, 7603)]