20387601

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{643}}^1$

素因数の和:933

約数の個数: 24

約数和(自身を含む): 31880576

約数和(自身を除く): 11492975

約数列:

[1, 3, 9, 13, 39, 117, 271, 643, 813, 1929, 2439, 3523, 5787, 8359, 10569, 25077, 31707, 75231, 174253, 522759, 1568277, 2265289, 6795867, 20387601]

約数ペア:

[(1, 20387601), (3, 6795867), (9, 2265289), (13, 1568277), (39, 522759), (117, 174253), (271, 75231), (643, 31707), (813, 25077), (1929, 10569), (2439, 8359), (3523, 5787)]