20654090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1063}}^1$

素因数の和:1166

約数の個数: 32

約数和(自身を含む): 39070080

約数和(自身を除く): 18415990

約数列:

[1, 2, 5, 10, 29, 58, 67, 134, 145, 290, 335, 670, 1063, 1943, 2126, 3886, 5315, 9715, 10630, 19430, 30827, 61654, 71221, 142442, 154135, 308270, 356105, 712210, 2065409, 4130818, 10327045, 20654090]

約数ペア:

[(1, 20654090), (2, 10327045), (5, 4130818), (10, 2065409), (29, 712210), (58, 356105), (67, 308270), (134, 154135), (145, 142442), (290, 71221), (335, 61654), (670, 30827), (1063, 19430), (1943, 10630), (2126, 9715), (3886, 5315)]