20389272

素因数分解:

$2^3\times 3^1\times {\mathrm{653}}^1\times {\mathrm{1301}}^1$

素因数の和:1963

約数の個数: 32

約数和(自身を含む): 51090480

約数和(自身を除く): 30701208

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 653, 1301, 1306, 1959, 2602, 2612, 3903, 3918, 5204, 5224, 7806, 7836, 10408, 15612, 15672, 31224, 849553, 1699106, 2548659, 3398212, 5097318, 6796424, 10194636, 20389272]

約数ペア:

[(1, 20389272), (2, 10194636), (3, 6796424), (4, 5097318), (6, 3398212), (8, 2548659), (12, 1699106), (24, 849553), (653, 31224), (1301, 15672), (1306, 15612), (1959, 10408), (2602, 7836), (2612, 7806), (3903, 5224), (3918, 5204)]