20838092

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{349}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 42336000

約数和(自身を除く): 21497908

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 59, 92, 118, 236, 253, 349, 506, 649, 698, 1012, 1298, 1357, 1396, 2596, 2714, 3839, 5428, 7678, 8027, 14927, 15356, 16054, 20591, 29854, 32108, 41182, 59708, 82364, 88297, 176594, 226501, 353188, 453002, 473593, 906004, 947186, 1894372, 5209523, 10419046, 20838092]

約数ペア:

[(1, 20838092), (2, 10419046), (4, 5209523), (11, 1894372), (22, 947186), (23, 906004), (44, 473593), (46, 453002), (59, 353188), (92, 226501), (118, 176594), (236, 88297), (253, 82364), (349, 59708), (506, 41182), (649, 32108), (698, 29854), (1012, 20591), (1298, 16054), (1357, 15356), (1396, 14927), (2596, 8027), (2714, 7678), (3839, 5428)]