20484596

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{5231}}^1$

素因数の和:5335

約数の個数: 24

約数和(自身を含む): 39553920

約数和(自身を除く): 19069324

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 5231, 10462, 20924, 57541, 115082, 230164, 465559, 931118, 1862236, 5121149, 10242298, 20484596]

約数ペア:

[(1, 20484596), (2, 10242298), (4, 5121149), (11, 1862236), (22, 931118), (44, 465559), (89, 230164), (178, 115082), (356, 57541), (979, 20924), (1958, 10462), (3916, 5231)]