20718056

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{136303}}^1$

素因数の和:136328

約数の個数: 16

約数和(自身を含む): 40891200

約数和(自身を除く): 20173144

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 136303, 272606, 545212, 1090424, 2589757, 5179514, 10359028, 20718056]

約数ペア:

[(1, 20718056), (2, 10359028), (4, 5179514), (8, 2589757), (19, 1090424), (38, 545212), (76, 272606), (152, 136303)]