20953874

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{1171}}^1$

素因数の和:1585

約数の個数: 16

約数和(自身を含む): 32909760

約数和(自身を除く): 11955886

約数列:

[1, 2, 23, 46, 389, 778, 1171, 2342, 8947, 17894, 26933, 53866, 455519, 911038, 10476937, 20953874]

約数ペア:

[(1, 20953874), (2, 10476937), (23, 911038), (46, 455519), (389, 53866), (778, 26933), (1171, 17894), (2342, 8947)]