20392638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{997}}^1$

素因数の和:1496

約数の個数: 32

約数和(自身を含む): 46754304

約数和(自身を除く): 26361666

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 487, 974, 997, 1461, 1994, 2922, 2991, 3409, 5982, 6818, 6979, 10227, 13958, 20454, 20937, 41874, 485539, 971078, 1456617, 2913234, 3398773, 6797546, 10196319, 20392638]

約数ペア:

[(1, 20392638), (2, 10196319), (3, 6797546), (6, 3398773), (7, 2913234), (14, 1456617), (21, 971078), (42, 485539), (487, 41874), (974, 20937), (997, 20454), (1461, 13958), (1994, 10227), (2922, 6979), (2991, 6818), (3409, 5982)]