20387264

素因数分解:

$2^6\times {\mathrm{461}}^1\times {\mathrm{691}}^1$

素因数の和:1164

約数の個数: 28

約数和(自身を含む): 40602408

約数和(自身を除く): 20215144

約数列:

[1, 2, 4, 8, 16, 32, 64, 461, 691, 922, 1382, 1844, 2764, 3688, 5528, 7376, 11056, 14752, 22112, 29504, 44224, 318551, 637102, 1274204, 2548408, 5096816, 10193632, 20387264]

約数ペア:

[(1, 20387264), (2, 10193632), (4, 5096816), (8, 2548408), (16, 1274204), (32, 637102), (64, 318551), (461, 44224), (691, 29504), (922, 22112), (1382, 14752), (1844, 11056), (2764, 7376), (3688, 5528)]