20171728180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43851583}}^1$

素因数の和:43851615

約数の個数: 24

約数和(自身を含む): 44202396672

約数和(自身を除く): 24030668492

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 43851583, 87703166, 175406332, 219257915, 438515830, 877031660, 1008586409, 2017172818, 4034345636, 5042932045, 10085864090, 20171728180]

約数ペア:

[(1, 20171728180), (2, 10085864090), (4, 5042932045), (5, 4034345636), (10, 2017172818), (20, 1008586409), (23, 877031660), (46, 438515830), (92, 219257915), (115, 175406332), (230, 87703166), (460, 43851583)]