20821224

素因数分解:

$2^3\times 3^1\times {\mathrm{331}}^1\times {\mathrm{2621}}^1$

素因数の和:2961

約数の個数: 32

約数和(自身を含む): 52230240

約数和(自身を除く): 31409016

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 331, 662, 993, 1324, 1986, 2621, 2648, 3972, 5242, 7863, 7944, 10484, 15726, 20968, 31452, 62904, 867551, 1735102, 2602653, 3470204, 5205306, 6940408, 10410612, 20821224]

約数ペア:

[(1, 20821224), (2, 10410612), (3, 6940408), (4, 5205306), (6, 3470204), (8, 2602653), (12, 1735102), (24, 867551), (331, 62904), (662, 31452), (993, 20968), (1324, 15726), (1986, 10484), (2621, 7944), (2648, 7863), (3972, 5242)]