20928596

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12983}}^1$

素因数の和:13031

約数の個数: 24

約数和(自身を含む): 40717824

約数和(自身を除く): 19789228

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 12983, 25966, 51932, 168779, 337558, 402473, 675116, 804946, 1609892, 5232149, 10464298, 20928596]

約数ペア:

[(1, 20928596), (2, 10464298), (4, 5232149), (13, 1609892), (26, 804946), (31, 675116), (52, 402473), (62, 337558), (124, 168779), (403, 51932), (806, 25966), (1612, 12983)]