20531706

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263227}}^1$

素因数の和:263245

約数の個数: 16

約数和(自身を含む): 44222304

約数和(自身を除く): 23690598

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 263227, 526454, 789681, 1579362, 3421951, 6843902, 10265853, 20531706]

約数ペア:

[(1, 20531706), (2, 10265853), (3, 6843902), (6, 3421951), (13, 1579362), (26, 789681), (39, 526454), (78, 263227)]