20420226

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{30661}}^1$

素因数の和:30706

約数の個数: 24

約数和(自身を含む): 45441084

約数和(自身を除く): 25020858

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 30661, 61322, 91983, 183966, 275949, 551898, 1134457, 2268914, 3403371, 6806742, 10210113, 20420226]

約数ペア:

[(1, 20420226), (2, 10210113), (3, 6806742), (6, 3403371), (9, 2268914), (18, 1134457), (37, 551898), (74, 275949), (111, 183966), (222, 91983), (333, 61322), (666, 30661)]