20537816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197479}}^1$

素因数の和:197498

約数の個数: 16

約数和(自身を含む): 41470800

約数和(自身を除く): 20932984

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197479, 394958, 789916, 1579832, 2567227, 5134454, 10268908, 20537816]

約数ペア:

[(1, 20537816), (2, 10268908), (4, 5134454), (8, 2567227), (13, 1579832), (26, 789916), (52, 394958), (104, 197479)]